| T | QUARTERLY
                REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
                ACT OF
                1934 SECURITIES
                EXCHANGE ACT OF 1934 | 
| £ | TRANSITION
                REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
                ACT OF
                1934 | 
| Minnesota | 41-1347235 | 
| (State
                or other jurisdiction of incorporation
                or organization) | (I.R.S.
                Employer Identification No.) | 
| Class: | August
                7, 2007 | 
| Common
                stock, par value $.01 | 11,872,331 | 
| 3 | |
| 3 | |
| 3 | |
| 4 | |
| 5 | |
| 9 | |
| 13 | |
| 13 | |
| 13 | |
| 13 | |
| 13 | |
| 14 | |
| 14 | |
| 14 | 
| June
                30, | March
                31, | |||||||
| 2007 | 2007 | |||||||
| Assets | ||||||||
| Current
                assets: | ||||||||
| Cash
                and cash equivalents | $ | 6,509,106 | $ | 6,716,176 | ||||
| Accounts
                receivable | 2,119,767 | 1,697,811 | ||||||
| Inventories | 1,619,934 | 1,312,681 | ||||||
| Prepaid
                expenses and other | 136,373 | 138,199 | ||||||
| Current
                assets - discontinued operations | 29,886 | 367,325 | ||||||
| Total
                current assets | 10,415,066 | 10,232,192 | ||||||
| Property,
                plant and equipment, net | 1,668,160 | 1,656,011 | ||||||
| Property,
                plant and equipment, net - discontinued operations | - | 554,879 | ||||||
| Goodwill | 2,570,511 | 2,570,511 | ||||||
| Other | 281,589 | 307,122 | ||||||
| Note
                receivable | 480,880 | - | ||||||
| Long
                term assets - discontinued operations | 100,000 | 401,843 | ||||||
| 3,432,980 | 3,279,476 | |||||||
| Total
                assets | $ | 15,516,206 | $ | 15,722,558 | ||||
| Liabilities
                and shareholders’ equity | ||||||||
| Current
                liabilities: | ||||||||
| Current
                portion of long-term debt | $ | 70,715 | $ | 69,528 | ||||
| Accounts
                payable | 1,515,770 | 916,509 | ||||||
| Accrued
                compensation | 812,279 | 815,626 | ||||||
| Accrued
                expenses | 59,901 | 93,251 | ||||||
| Current
                liabilities of discontinued operations | 281,640 | 115,812 | ||||||
| Total
                current liabilities | 2,740,305 | 2,010,726 | ||||||
| Long-term
                debt, net of current maturities | 109,939 | 128,071 | ||||||
| Other
                long term liabilities | 333,836 | 107,277 | ||||||
| Long-term
                liabilities of discontinued operations | 247,894 | - | ||||||
| Total
                liabilities | 3,431,974 | 2,246,074 | ||||||
| Shareholders’
                equity: | ||||||||
| Undesignated
                shares, 4,999,500 authorized shares; no shares issued and
                outstanding | - | - | ||||||
| Preferred
                stock, $.01 par value; 500 authorized shares; no shares issued and
                outstanding | - | - | ||||||
| Common
                stock, $.01 par value; 50,000,000 authorized shares; 11,872,331 shares
                issued and outstanding at March 31, 2007 and June 30, 2007 | 118,723 | 118,723 | ||||||
| Additional
                paid-in capital | 52,028,252 | 52,018,729 | ||||||
| Accumulated
                foreign currency translation | - | (8,164 | ) | |||||
| Accumulated
                deficit | (40,062,743 | ) | (38,652,804 | ) | ||||
| Total
                shareholders’ equity | 12,084,232 | 13,476,484 | ||||||
| Total
                liabilities and shareholders’ equity | $ | 15,516,206 | $ | 15,722,558 | ||||
| Three
                Months Ended | ||||||||
| June
                30, | ||||||||
| 2007 | 2006 | |||||||
| Revenues | $ | 4,907,046 | $ | 5,072,186 | ||||
| Cost
                of revenues | 3,456,901 | 3,639,724 | ||||||
| Gross
                profit | 1,450,145 | 1,432,462 | ||||||
| Operating
                expenses | ||||||||
| Selling,
                general and administrative | 1,977,583 | 1,486,251 | ||||||
| Loss
                on disposal of assets | - | 3,291 | ||||||
| 1,977,583 | 1,489,542 | |||||||
| Loss
                from operations | (527,438 | ) | (57,080 | ) | ||||
| Interest
                income | 86,588 | 103,144 | ||||||
| Interest
                expense | (3,718 | ) | (20,614 | ) | ||||
| Other
                income (expense), net | - | 16,227 | ||||||
| 82,870 | 98,757 | |||||||
| (Loss)
                income from continuing operations before income taxes | (444,568 | ) | 41,677 | |||||
| Income
                tax expense | 24,370 | 18,980 | ||||||
| Net
                (loss)  income from continuing operations | (468,938 | ) | 22,697 | |||||
| Loss
                from discontinued operations | (941,001 | ) | (134,715 | ) | ||||
| Net
                loss | $ | (1,409,939 | ) | $ | (112,018 | ) | ||
| Net
                income (loss) per share basic and diluted: | ||||||||
| Continuing
                operations | $ | (0.04 | ) | $ | 0.00 | |||
| Discontinued
                operations | (0.08 | ) | (0.01 | ) | ||||
| Net
                loss | $ | (0.12 | ) | $ | (0.01 | ) | ||
| Weighted
                average shares outstanding: | ||||||||
|    Basic
                and diluted | 11,872,331 | 11,872,331 | ||||||
| Three
                Months Ended | ||||||||
| June
                30, | ||||||||
| 2007 | 2006 | |||||||
| Cash
                Flow from operating activities | ||||||||
| Net
                loss | $ | (1,409,939 | ) | $ | (112,018 | ) | ||
| Non-cash
                charges related to discontinued operations | 660,314 | (341,709 | ) | |||||
| Adjustments
                to reconcile net loss to net cash used in
                operating   activities: | ||||||||
| Depreciation
                and amortization | 123,603 | 154,416 | ||||||
| Deferred
                taxes | 24,270 | 16,180 | ||||||
| Stock
                based compensation | 9,523 | 19,625 | ||||||
| Severance
                accrual | 397,481 | - | ||||||
| Changes
                in operating assets and liabilities: | - | |||||||
| Accounts
                receivable, net | (397,038 | ) | (212,321 | ) | ||||
| Inventories | (290,562 | ) | (236,963 | ) | ||||
| Prepaid
                expenses and other | 59,446 | 24,655 | ||||||
| Accounts
                payable and accrued expenses | 319,735 | (258,627 | ) | |||||
|   Net
                cash used in operating activities | (503,167 | ) | (946,762 | ) | ||||
| Cash
                flow from investing activities | ||||||||
| Purchases
                of property and equipment | (144,608 | ) | (192,870 | ) | ||||
| Proceeds
                from sale of assets | 389,131 | 358,765 | ||||||
| Net
                cash provided by investing activities | 244,523 | 165,895 | ||||||
| Cash
                flow from financing activities | ||||||||
| Repayment
                of long-term debt | (16,945 | ) | (3,864 | ) | ||||
| Net
                cash used in financing activities | (16,945 | ) | (3,864 | ) | ||||
| Foreign
                currency translation | 21,326 | (19,100 | ) | |||||
| Decrease
                in cash and cash equivalents | (254,263 | ) | (803,831 | ) | ||||
| Cash
                and cash equivalents at beginning of period | 6,763,369 | 8,947,777 | ||||||
| Cash
                and cash equivalents at end of period | $ | 6,509,106 | $ | 8,143,946 | ||||
| Noncash
                investing and financing: | ||||||||
| Withdrawal
                of bond reserve funds, net | $ | - | $ | 85,623 | ||||
| Note
                receivable for Sale of India operations | $ | 504,499 | $ | - | ||||
| Three
                Months Ended | ||||||||
| June
                30, | ||||||||
| 2007 | 2006 | |||||||
| Net
                sales | $ | 33,336 | $ | 50,843 | ||||
| Cost
                of goods sold | 229,548 | 153,318 | ||||||
| Gross
                profit | (196,212 | ) | (102,475 | ) | ||||
| Operating
                expenses | 744,789 | 32,240 | ||||||
| Loss
                from discontinued operations | $ | (941,001 | ) | $ | (134,715 | ) | ||
| June
                30, 2007 | March
                31, 2007 | |||||||
| Raw
                Materials | $ | 1,462,410 | $ | 1,072,081 | ||||
| Work-in-progress | 61,839 | 23,525 | ||||||
| Finished
                Goods | 95,685 | 217,075 | ||||||
| $ | 1,619,934 | $ | 1,312,681 | |||||
|  | · | Blaine
                  land was sold for  $325,000 at a gain of
                  $265,000 | 
|  | · | APA
                  India was sold at a loss of
                  $126,566 | 
|  | · | APA
                  India incurred an operating loss of
                  $64,780. | 
|  | · | Closure
                  of Optronics forced us to recognize as a current expense all future
                  lease
                  payments on the Blaine facility $418,044. In addition other Optronics
                  cost
                  related to discontinuation were the write off of all remaining
                  inventory
                  at $109,871 the write down of fixed assets of $258,056, severance
                  costs of
                  $78,109 and general operating expenses of
                  $150,575. | 
| Total | Less
                than 1
                Year | 1-3
                years | 4-5
                years | After 5
                years | ||||||||||||||||
| Long-term
                debt (1) | $ | 201 | $ | 82 | $ | 118 | $ | - | $ | - | ||||||||||
| Leases | 1,807 | 347 | 633 | 474 | 354 | |||||||||||||||
| Total
                Contractual Cash | ||||||||||||||||||||
| Obligations | $ | 2,008 | $ | 429 | $ | 751 | $ | 474 | $ | 354 | ||||||||||
|  | (a) | Evaluation
                of disclosure controls and procedures.  The Company’s chief
                executive officer and chief financial officer have concluded that
                as of
                the end of the fiscal period covered by this report the Company’s
                disclosure controls and procedures (as defined in Exchange Act Rule
                13a-14(c)) were effective. | 
|  | (b) | Changes
                in internal controls.  There were no changes in the
                Company’s internal controls over financial reporting during the fiscal
                period covered by this report that materially affected, or are likely
                to
                materially affect, the Company’s control over financial
                reporting. |