Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows Unaudited

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Condensed Statements of Cash Flows Unaudited (USD $)
 9 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Cash flows from operating activities    
Net income $ 4,383,471 $ 2,237,476
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 492,162 361,469
Deferred taxes 2,343,885 1,350,234
Loss on disposal of assets 4,748 11,297
Stock-based compensation 565,505 570,574
Changes in operating assets and liabilities:    
Accounts receivable, net 3,066,146 (2,025,635)
Inventories 328,194 (1,994,734)
Prepaid expenses and other (217,832) (54,551)
Accounts payable and accrued expenses 772,818 1,329,893
Net cash provided by operating activities 11,739,097 1,786,023
Cash flows from investing activities    
Purchases of property, plant and equipment and intangible assets (1,060,851) (691,640)
Purchases of investments (8,899,000) (7,063,000)
Proceeds from maturities of investments 5,991,000 7,062,000
Net cash used in investing activities (3,968,851) (692,640)
Cash flows from financing activities    
Proceeds from issuance of common stock under employee stock purchase plan 185,584 135,981
Proceeds from issuance of common stock upon exercise of stock options 618,848 14,996
Tax withholding related to exercise of stock options (142,112) (55,748)
Net cash provided by financing activities 662,320 95,229
Increase in cash and cash equivalents 8,432,566 1,188,612
Cash and cash equivalents, beginning of period 9,807,957 5,678,143
Cash and cash equivalents, end of period 18,240,523 6,866,755
Supplemental disclosures for cash flow information    
Cash paid during the year for income taxes 329,329 110,144
Non-cash financing activities    
Cashless exercise of stock options $ 198,266 $ 57,012