ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Vendor Consideration, Financial Instruments, and Foreign Currency Translation (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
VENDOR CONSIDERATION [Abstract]
Amount due from vendors	$ 13,100	$ 12,800
FOREIGN CURRENCY TRANSLATION [Abstract]
Foreign currency translation gain (loss)	400	(800)	$ (700)
Carrying Amount [Member]
FINANCIAL INSTRUMENTS [Abstract]
Notes receivable, fair value disclosure	40,400	62,900
Recourse payable, fair value disclosure		1,300
Non-recourse payable, fair value disclosure	48,600	50,900
Fair Value [Member]
FINANCIAL INSTRUMENTS [Abstract]
Notes receivable, fair value disclosure	40,500	63,000
Recourse payable, fair value disclosure		1,300
Non-recourse payable, fair value disclosure	$ 48,700	$ 51,100