Annual report pursuant to Section 13 and 15(d)

14. Stock-Based Compensation (Details Narrative)

v3.8.0.1
14. Stock-Based Compensation (Details Narrative) - USD ($)
12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
2011 Plan [Member]      
Increase in shares authorized for issuance 643,383 629,504  
2016 Plan [Member]      
Increase in shares authorized for issuance 343,137    
Shares initially authorized for issuance 400,000    
Restricted Stock Units (RSUs) [Member]      
Unrecognized compensation costs $ 150,000    
Weighted average amortization period 1 year 4 months 28 days    
Stock Options [Member]      
Options expired 8,000    
Aggregate intrinsic value per share $ 3.68    
Unrecognized compensation costs $ 2,253,000    
Weighted average amortization period 1 year 11 months 26 days    
Long Term Performance Based Awards [Member] | August 21, 2015 [Member]      
Options granted   23,750  
Options vested     0
Short Term Performance Based Awards [Member] | August 21, 2015 [Member]      
Options vested     50,400
Short Term Performance Based Awards [Member] | August 21, 2015 [Member] | Discretionary vesting [Member]      
Options vested     14,772
Options expired     228
Performance Based Awards [Member] | August 21, 2015 [Member]      
Options granted     75,500
Options expired     10,000