CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 139,421	$ (881,619)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	116,078	103,368
Deferred income taxes	23	61,813
(Increase) decrease in:
Accounts receivable	230,824	1,267,975
Unbilled receivables, net		397,657
Inventories	(15,880)	(315,397)
Prepaid expenses and other current assets	(85,619)	191,171
Income taxes receivable	(478)	(201,155)
Increase (decrease) in:
Accounts payable, net	(490,072)	(394,485)
Accrued expenses	286,667	(21,009)
Contract liability	(190,284)	(142,889)
Net cash (used in) provided by operating activities	(9,320)	65,430
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(39,775)	(83,277)
Net cash used in investing activities	(39,775)	(83,277)
Net decrease in cash and cash equivalents	(49,095)	(17,847)
Cash and cash equivalents, beginning of year	20,390,713	24,680,301
Cash and cash equivalents, end of period	$ 20,341,618	$ 24,662,454