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9. Stock Compensation (June 30, 2017 Note) (Details - Option activity) - Stock Options - $ / shares
3 Months Ended 12 Months Ended
Jun. 30, 2017
Mar. 31, 2017
Mar. 31, 2016
Stock options Outstanding, beginning balance 432,047 438,547 501,690
Stock options granted 34,500 0 0
Stock options exercised 0 0 0
Stock options cancelled/forfeited 0 (6,500) (63,143)
Stock options outstanding, ending balance 466,547 432,047 438,547
Stock options exercisable 414,547 414,547 388,414
Range of exercise prices, Option beginning $3.80-$20.50    
Range of exercise prices, Option issued $1.68    
Range of exercise prices, Option ending $1.68-$20.50    
Range of exercise prices, Option exercisable $3.80-$20.50    
Outstanding, Weighted Average Exercise Price, beginning price $ 10.98 $ 10.94 $ 11.00
Granted, Weighted Average Exercise Price 1.68
Exercised, Weighted Average Exercise Price  
Cancelled/Forfeited, Weighted Average Exercise Price   7.96 11.45
Outstanding Weighted Average Exercise Price, ending price 10.30 10.98 10.94
Exercisable, Weighted Average Exercise Price $ 11.24 $ 11.24 $ 11.53