1. THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2018	Mar. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings	$ 62,548,000			$ 64,655,000
Provision for income taxes	81,000	$ 271,000
ASU 2016-16 | Adjustments for New Accounting Principle, Early Adoption
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid tax asset	(595,000)
Retained earnings	(595,000)
Provision for income taxes	(11,000)
ASU 2016-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net operating loss carryforwards	654,000
Valuation allowance	$ 654,000
Forecast | ASU 2016-16 | Adjustments for New Accounting Principle, Early Adoption
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Provision for income taxes			$ (43,000)