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, 2015
Jun. 30, 2014
Cash flows from operating activities    
Net income $ 3,310,934 $ 4,383,471
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 870,692 492,162
Deferred taxes 1,682,164 2,343,885
Loss on disposal of assets 13,637 4,748
Stock-based compensation 844,992 565,505
Changes in operating assets and liabilities:    
Accounts receivable, net (2,358,856) 3,066,146
Inventories (1,343,986) 328,194
Prepaid expenses and other 52,496 (217,832)
Accounts payable and accrued expenses 1,268,980 772,818
Net cash provided by operating activities 4,341,053 11,739,097
Cash flows from investing activities    
Purchases of property, plant and equipment and intangible assets (4,028,122) (1,060,851)
Purchases of investments (7,517,000) (8,899,000)
Proceeds from maturities of investments 6,784,000 5,991,000
Net cash used in investing activities (4,761,122) (3,968,851)
Cash flows from financing activities    
Proceeds from issuance of common stock under employee stock purchase plan 211,459 185,584
Proceeds from issuance of common stock upon exercise of stock options 41,688 618,848
Tax withholding related to exercise of stock options (14,373) $ (142,112)
Repurchase of common stock (849,157)  
Net cash (used in) provided by financing activities (610,383) $ 662,320
(Decrease) increase in cash and cash equivalents (1,030,452) 8,432,566
Cash and cash equivalents, beginning of period 18,191,493 9,807,957
Cash and cash equivalents, end of period 17,161,041 18,240,523
Supplemental disclosures for cash flow information    
Cash paid during the year for income taxes 20,350 329,329
Non-cash financing activities    
Cashless exercise of stock options $ 80,802 $ 198,266