SELECTED QUARTERLY FINANCIAL DATA (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
SELECTED QUARTERLY FINANCIAL DATA [Abstract]
Total revenues	$ 10,362	$ 8,588	$ 9,707	$ 9,531	$ 8,870	$ 6,652	$ 9,992	$ 7,869	$ 38,188	$ 33,383	$ 30,902
Gross profit	3,631	2,352	2,895	2,959	3,220	1,693	3,319	2,879	11,837	11,111	10,995
Operating income (loss)	595	(638)	(204)	(940)	214	(1,104)	664	231	(1,187)	5	1,236
Net income (loss)	$ 569	$ (668)	$ (227)	$ (967)	$ 220	$ (1,042)	$ 615	$ 220	$ (1,293)	$ 13	$ 1,160
Net income (loss) per share - basic and diluted (in dollars per share)	$ 0.04	$ (0.04)	$ (0.01)	$ (0.06)	$ 0.01	$ (0.07)	$ 0.04	$ 0.01
Weighted average shares-diluted (in shares)	16,029	15,994	15,929	15,868	15,575	15,462	16,062	15,926	15,949	15,838	15,564