Condensed Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash Flows From Operating Activities
Net income	$ 2,199,612	$ 537,679
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	318,982	329,947
Amortization of finite-life intangible assets	60,219	59,863
Amortization of debt issuance costs		1,958
Share-based compensation expense	444,258	500,745
Deferred income taxes	18,000	3,000
Loss on disposal of property and equipment	1,294	1,198
Changes in operating assets and liabilities:
Accounts receivable	41,822	(126,158)
Contract asset	(194,963)	(5,468)
Inventories	(19,448)	(242,459)
Prepaid expenses and other assets	76,213	513,702
Income tax receivable	(206,489)	(24,860)
Income tax payable	(288,511)	(397,390)
Accounts payable and accrued liabilities	(427,390)	(331,168)
Net cash provided by operating activities	2,023,599	820,589
Cash Flows From Investing Activities
Expenditures for property and equipment	(669,842)	(122,337)
Expenditures for finite-life intangible assets	(30,899)	(28,794)
Net cash used in investing activities	(700,741)	(151,131)
Cash Flows From Financing Activities
Principal payments on long-term debt including capital lease obligations		(1,103,001)
Issuance of common stock upon exercise of options	75,936	188,821
Net cash provided by (used in) financing activities	75,936	(914,180)
Net increase (decrease) in cash	1,398,794	(244,722)
Cash
Beginning of period	7,807,928	7,455,844
End of period	$ 9,206,722	$ 7,211,122