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 $)
 6 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Cash flows from operating activities    
Net income $ 3,208,631 $ 1,090,489
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 309,835 239,114
Deferred taxes 1,691,885 729,555
Loss on disposal of assets 6,338 7,297
Stock-based compensation 374,369 383,732
Changes in operating assets and liabilities:    
Accounts receivable, net 4,408,039 (1,224,361)
Inventories 770,865 (770,638)
Prepaid expenses and other (660,652) (109,085)
Accounts payable and accrued expenses 223,365 308,952
Net cash provided by operating activities 10,332,675 655,055
Cash flows from investing activities    
Purchases of property, plant and equipment and intangible assets (331,591) (549,765)
Purchases of investments (7,411,000) (3,860,000)
Proceeds from maturities of investments 4,667,000 4,835,000
Net cash (used in) provided by investing activities (3,075,591) 425,235
Cash flows from financing activities    
Proceeds from issuance of common stock under employee stock purchase plan 90,417 68,760
Proceeds from issuance of common stock upon exercise of stock options 101,034 11,971
Tax withholding related to exercise of stock options (129,488) (25,031)
Net cash provided by financing activities 61,963 55,700
Increase in cash and cash equivalents 7,319,047 1,135,990
Cash and cash equivalents, beginning of period 9,807,957 5,678,143
Cash and cash equivalents, end of period 17,127,004 6,814,133
Supplemental disclosures for cash flow information    
Cash paid during the year for income taxes 263,139 74,144
Non-cash financing activities    
Cashless exercise of stock options $ 179,609 $ 39,180