CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 853,179	$ (3,239,527)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation and amortization	342,359	316,855
Share-based compensation expense:
Stock awards	203,386	199,996
Deferred income taxes	33	61,845
(Increase) decrease in:
Accounts receivable	2,008,066	967,768
Contract asset	(30,170)	440,943
Inventories	(165,076)	(505,998)
Prepaid expenses and other current assets	(34,185)	226,070
Income taxes receivable/payable	7,305	(8,381)
Increase (decrease) in:
Accounts payable, net	(706,655)	8,608
Accrued expenses	(56,169)	139,737
Contract liability	(173,790)	126,394
Net cash provided by (used in) operating activities	2,248,283	(1,265,690)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(75,585)	(2,535,199)
Net cash used in investing activities	(75,585)	(2,535,199)
Net increase (decrease) in cash and cash equivalents	2,172,698	(3,800,889)
Cash and cash equivalents, beginning of year	20,390,713	24,680,301
Cash and cash equivalents, end of period	$ 22,563,411	20,879,412
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for income tax		$ 8,469

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