XML 36 R21.htm IDEA: XBRL DOCUMENT v3.8.0.1
Debt (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2015
Mar. 31, 2018
Dec. 31, 2017
Nov. 30, 2017
May 31, 2013
Current portion of long-term debt   $ 1,942 $ 5,059    
Long-term debt   2,952 $ 8    
Equipment Notes Payable [Member]          
Maximum borrowing capacity   $ 9,690     $ 500
Line of credit interest rate   Each tranche borrowed through August 2015 incurred interest at 8.32% per annum; the interest for tranches borrowed thereafter was reduced to rates between 7.32% to 8.05% per annum.      
Line of credit facility interest rate   24.00%      
First Line Of Credit [Member]          
Line of credit principal and interest payments due   $ 1,000      
Line of credit, installment term   36 months      
Second Line Of Credit [Member]          
Line of credit principal and interest payments due   $ 1,000      
Line of credit, installment term   35 months      
Amended and Restated Loan Agreement [Member]          
Term loan       $ 4,500  
Debt instrument outstanding amount   $ 4,500      
Current portion of long-term debt   1,500      
Long-term debt   3,000      
Debt issuance costs   59      
Facility fee   45      
Unamortized debt issuance cost   $ 48      
Prior Loan Agreement [Member]          
Debt instrument outstanding amount       $ 4,450  
Amended and Restated Loan and Security Agreement [Member]          
Debt instrument maturity date   Nov. 29, 2020      
Loan Agreement with EWB [Member] | Equipment Notes Payable [Member]          
Amount borrowed during period $ 3,381        
Financing Arrangement [Member] | Equipment Notes Payable [Member]          
Debt instrument outstanding amount   $ 442