• Filing Date: 2017-02-21
  • Form Type: 10-Q
  • Description: Quarterly report
v3.6.0.2
Note 4 - Concentrations (Details Textual)
3 Months Ended 9 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Mar. 31, 2016
USD ($)
Revenues $ 1,156,512 $ 1,045,388 $ 3,914,281 $ 3,354,197  
Accounts Receivable, Net, Current 589,587   589,587   $ 588,875
Foreign Customers [Member]          
Accounts Receivable, Net, Current $ 2,158 $ 3,580 $ 2,158 $ 3,580  
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]          
Concentration Risk, Number of Customers 1 1 1 1  
Concentration Risk, Percentage 71.00% 42.00% 61.00% 42.00%  
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Foreign Customers [Member]          
Concentration Risk, Percentage 4.20% 10.20% 15.40% 9.00%  
Revenues $ 48,750 $ 103,783 $ 602,405 $ 302,780  
Customer Concentration Risk [Member] | Accounts Receivable [Member]          
Concentration Risk, Number of Customers     1 1  
Concentration Risk, Percentage     32.00% 43.00%