Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable and Concentration of Credit Risk (Narrative) (Details)

v3.8.0.1
Accounts Receivable and Concentration of Credit Risk (Narrative) (Details)
3 Months Ended 12 Months Ended
Feb. 28, 2018
USD ($)
Dec. 27, 2017
USD ($)
Dec. 31, 2017
USD ($)
customer
Dec. 31, 2016
customer
Sep. 30, 2017
USD ($)
customer
Long term trade receivable         $ 7,837,500
Accounts receivable     $ 3,000,308   11,392,850
Current accounts receivable, net     3,000,308   3,555,350
Current liability     $ 2,517,371   $ 2,685,718
Total Revenue [Member]          
Number of Customers | customer     4 3  
Concentration risk, percentage     10.00% 10.00%  
Single Customer [Member]          
Number of Customers | customer     0   0
Single Customer [Member] | Assets, Current [Member]          
Concentration risk, percentage     10.00%   10.00%
Semina [Member]          
Payments to settle agreement   $ 2,250,000      
Long term trade receivable   $ 7,500,000     $ 7,800,000
Accounts receivable         8,900,000
Current accounts receivable, net         1,100,000
Payables         1,400,000
Long term liability         1,200,000
Current liability         $ 200,000
Settlement loss on receivables     $ 3,760,000    
Semina [Member] | Assets, Current [Member]          
Concentration risk, percentage     15.00%   11.00%
Semina [Member] | Accounts Receivable [Member]          
Concentration risk, percentage     50.00%    
Semina [Member] | Accounts Receivable And Long-Term Other Receivables [Member]          
Concentration risk, percentage         78.00%
Scenario, Forecast [Member] | Semina [Member]          
Payments to settle agreement $ 1,500,000