CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (881,619)	$ (1,194,974)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	103,368	108,336
Deferred income taxes	61,813	7
(Increase) decrease in:
Accounts receivable	1,267,975	724,111
Unbilled receivables, net	397,657	(6,397)
Inventories	(315,397)	(552,604)
Prepaid expenses and other current assets	191,171	(2,594)
Income taxes	(201,155)	(372,794)
Increase (decrease) in:
Accounts payable, net	(394,485)	209,845
Accrued expenses	(21,009)	356,246
Deferred revenue	(142,889)	171,644
Net cash provided by (used in) operating activities	65,430	(559,174)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(83,277)	(47,340)
Net cash used in investing activities	(83,277)	(47,340)
Net decrease in cash and cash equivalents	(17,847)	(606,514)
Cash and cash equivalents, beginning of year	24,680,301	18,767,661
Cash and cash equivalents, end of period	$ 24,662,454	$ 18,161,147