9. COMMON STOCK - Dutch auction (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
Aug. 06, 2014	Mar. 31, 2019	Mar. 31, 2017
Repurchase of common stock, amount		$ 103	$ 7,112
Modified Dutch Auction
Repurchase of common stock, shares	3,846,153
Treasury stock acquired cost per share	$ 6.50
Repurchase of common stock, amount	$ 25,000

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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