4. BALANCE SHEET DETAIL - Other assets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Other assets:
Escrow deposit		$ 1,000
Non-current deferred income taxes	$ 35	75
Deposits	125	132
Total other assets	$ 160	$ 1,207

Amount of assets classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant