SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Quarterly Financial Information Disclosure [Abstract]
Total revenues	$ 12,174	$ 9,451	$ 12,394	$ 10,293	$ 9,912	$ 9,427	$ 11,119	$ 9,683
Gross profit	3,892	2,035	3,991	3,352	2,947	2,296	3,131	3,028	$ 13,270	$ 11,402	$ 11,837
Operating income (loss)	568	(1,073)	827	125	(78)	(707)	107	101	447	(577)	(1,187)
Net income (loss)	$ 490	$ (1,125)	$ 779	$ 70	$ (146)	$ (757)	$ 156	$ 75	$ 214	$ (672)	$ (1,293)
Net income (loss) per share - basic and diluted (in dollars per share)	$ 0.03	$ (0.07)	$ 0.05	$ 0.00	$ (0.01)	$ (0.05)	$ 0.01	$ 0.00	$ 0.01	$ (0.04)	$ (0.08)
Weighted average shares - diluted (in shares)	16,150	16,138	16,106	16,089	16,082	16,082	16,068	16,093	16,123	16,055	15,949

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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