Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Concentration (Details Textual)

v3.8.0.1
Note 13 - Concentration (Details Textual)
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Mar. 31, 2018
USD ($)
Mar. 31, 2017
Dec. 31, 2017
USD ($)
Advances on Inventory Purchases     $ 984,408   $ 697,192
Accounts Receivable, Gross     $ 1,923,950   $ 2,555,476
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member]          
Number of Customers     1 2  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | One Customer [Member]          
Concentration Risk, Percentage     54.00%    
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Two Customers [Member]          
Concentration Risk, Percentage       79.00%  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer One [Member]          
Concentration Risk, Percentage       52.00%  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer Two [Member]          
Concentration Risk, Percentage       27.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member]          
Concentration Risk, Percentage     76.00%   78.00%
Instruments [Member]          
Purchase Commitment Number Of Units   2,000      
Purchase Commitment, Remaining Minimum Amount Committed     $ 186,965    
Devices [Member]          
Purchase Commitment Number Of Units 2,000        
Purchase Commitment, Remaining Minimum Amount Committed     $ 1,397,440