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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 9 Months Ended
Jun. 30, 2018
Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net (loss) income $ (3,239,527) $ 4,754,673
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 316,855 332,323
Share-based compensation expense:    
Stock awards 199,996 191,748
Deferred income taxes 61,845 44
(Increase) decrease in:    
Accounts receivable 967,768 2,437,823
Unbilled receivables, net 440,943 (2,362)
Inventories (505,998) (887,211)
Prepaid expenses and other current assets 226,070 (51,097)
Income taxes receivable/payable (8,381) (104,318)
Other non-current assets   (45,926)
Increase (decrease) in:    
Accounts payable, net 8,608 (482,199)
Accrued expenses 139,737 65,123
Deferred revenue 126,394 135,117
Net cash (used in) provided by operating activities (1,265,690) 6,343,738
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (2,535,199) (130,058)
Net cash used in investing activities (2,535,199) (130,058)
Net (decrease) increase in cash and cash equivalents (3,800,889) 6,213,680
Cash and cash equivalents, beginning of year 24,680,301 18,767,661
Cash and cash equivalents, end of period 20,879,412 24,981,341
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Cash paid for income tax $ 8,469 $ 400,000