Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Stock Based Compensation: Schedule of Share-based Compensation, Activity (Details)

v3.5.0.2
Note 7 - Stock Based Compensation: Schedule of Share-based Compensation, Activity (Details) - $ / shares
3 Months Ended 12 Months Ended
Jun. 30, 2016
Mar. 31, 2016
Mar. 31, 2015
Details      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 1,780,700 1,561,200 2,113,500
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Grant Date Fair Value $ 1.84 $ 1.90 $ 1.90
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 315,500    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 1.01    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (96,000) (552,300)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 1.92 $ 1.54  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 1,128,500 1,050,800  
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Grant Date Fair Value $ 2.10 $ 2.12