• Filing Date: 2019-02-19
  • Form Type: 10-Q
  • Description: Quarterly report
v3.10.0.1
Note 2 - Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Earnings Per Share, Basic and Diluted, Total $ 0 $ 0 $ 0 $ 0
Maximum [Member]        
Product Warranty Expense $ 2,000 $ 2,000 $ 2,000 $ 2,000
Electronic Products [Member]        
Warranty Term     90 days