Annual report pursuant to Section 13 and 15(d)

Term Loan Agreements and Long Term Debt - Schedule of Debt - Terms (Details)

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Term Loan Agreements and Long Term Debt - Schedule of Debt - Terms (Details) - USD ($)
$ in Thousands
 12 Months Ended 24 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
MidCap Term Loan Agreement      
Note Payable      
Face amount $ 21,000 $ 21,000 $ 21,000
Unamortized deferred financing fees $ 554   $ 554
Interest payable, percent 8.00%   8.00%
Interest rate spread (as a spread)     0.50%
MidCap Revolving Loan Agreement      
Note Payable      
Interest payable, percent 4.50% 4.50% 4.50%
Interest rate spread (as a spread) 0.50% 0.50%  
Maximum line of credit amount $ 10,000 $ 10,000 $ 10,000
Equipment Lease Agreement | Cisco Capital      
Note Payable      
Face amount $ 59 $ 59 $ 59
Interest payable, percent 3.50% 3.50% 3.50%
Term of debt 36 months 36 months  
No payments required, term 3 months 3 months  
Interest and principal payments, term 33 months 33 months  
Equipment Lease Agreement | Raymond Leasing Corporation      
Note Payable      
Face amount $ 30 $ 30 $ 30
Interest payable, percent 6.70% 6.70% 6.70%
Term of debt 48 months 48 months  
Equipment Lease Agreement | B&B Office Systems      
Note Payable      
Face amount $ 32 $ 32 $ 32
Interest payable, percent 8.50% 8.50% 8.50%
Term of debt 60 months 60 months