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7. COMMITMENTS AND CONTINGENCIES - Operating Leases (Details) - USD ($)
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
COMMITMENTS AND CONTINGENCIES.      
Rent expense $ 504,000 $ 348,000 $ 354,000
Future minimum lease payments      
2018 279,000    
2019 195,000    
2020 108,000    
2021 80,000    
2022 54,000    
Thereafter 35,000    
Total $ 751,000