9. COMMON STOCK - Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2017
Share repurchase program
Repurchase of common stock, amount	$ 103	$ 7,112
Common shares
Share repurchase program
Repurchase of common stock, shares	12,004,779
Treasury stock acquired cost per share	$ 5.06
Repurchase of common stock, amount	$ 60,700
Remaining authorized amount to be repurchased	$ 4,300