• Filing Date: 2018-02-14
  • Form Type: 10-Q
  • Description: Quarterly report
v3.8.0.1
Note 4 - Concentrations (Details Textual)
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Mar. 31, 2017
USD ($)
Revenues $ 1,021,042 $ 1,156,512 $ 3,237,103 $ 3,914,281  
Accounts Receivable, Net, Current 1,493,375   1,493,375   $ 862,619
Foreign Customers [Member]          
Accounts Receivable, Net, Current $ 1,902   $ 1,902   $ 48,213
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]          
Concentration Risk, Number of Customers 3 1 3 1  
Concentration Risk, Percentage 52.00% 71.00% 59.00% 61.00%  
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Foreign Customers [Member]          
Concentration Risk, Percentage 10.00% 4.20% 8.00% 15.40%  
Revenues $ 92,967 $ 48,750 $ 251,825 $ 602,405  
Customer Concentration Risk [Member] | Accounts Receivable [Member]          
Concentration Risk, Number of Customers     3   1
Concentration Risk, Percentage     90.00%   83.00%