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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income $ 1,008,596 $ 317,589
Adjustments to reconcile net income to net cash (used in) operating activities:    
Depreciation and amortization 129,484 119,159
Share-based compensation expense:    
Stock options 184,224 133,691
Nonvested stock awards 50,029 50,018
Tax adjustment from share-based compensation (146,664) (10,304)
Excess and obsolete inventory cost 25,000  
Deferred income taxes 332,096 53,869
(Increase) decrease in:    
Accounts receivable (270,419) (260,114)
Unbilled receivables (775,268) (1,412,335)
Inventories (623,028) 333,853
Prepaid expenses and other current assets 128,936 (225,749)
Other non-current assets (10,448)  
Increase (decrease) in:    
Accounts payable (83,166) (360,176)
Accrued expenses 124,502 (57,963)
Income taxes payable (94,272) (77,447)
Deferred revenue (201,798) (265,020)
Net cash used in operating activities (222,196) (1,660,929)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (336,572) (43,231)
Net cash used in investing activities (336,572) (43,231)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Purchase of treasury stock   (695)
Dividend paid   (25,007,519)
Proceeds from exercise of stock options   762,759
Net cash used in financing activities   (24,245,455)
Net decrease in cash and cash equivalents (558,768) (25,949,615)
Cash and cash equivalents, beginning of year 16,386,207 42,977,501
Cash and cash equivalents, end of period 15,827,439 17,027,886
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Cash paid for income tax $ 325,000 $ 130,000