Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Details Textual)

v3.8.0.1
Long-Term Debt (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Dec. 31, 2016
Sep. 30, 2017
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2015
Success Fee Expenses $ 250        
Share Price $ 8.00 $ 1.21 $ 1.21    
Contingent Success Fee Liability   $ 13 $ 13    
Restricted Cash and Cash Equivalents   6,984 6,984    
Cash and Cash Equivalents, at Carrying Value $ 16,846 33,439 33,439 $ 12,800 $ 19,552
Debt Instrument, Unused Borrowing Capacity, Amount   3,000 3,000    
Accretion Expense     72 $ 0  
Long-term Debt   $ 6,924 $ 6,924    
Debt Instrument, Interest Rate During Period   9.20% 8.96%    
Loan Agreement [Member]          
Line of Credit Facility, Maximum Borrowing Capacity $ 7,000        
Debt Instrument, Description of Variable Rate Basis 30-day U.S. LIBOR rate plus 5.41%        
Debt Instrument, Maturity Date     Jan. 01, 2021    
Long-term Debt   $ 245 $ 245    
Debt Instrument, Payment Terms     January 1, 2018., or July 1, 2018 if the additional $3,000 drawn. Commencing on February 1, 2018, or August 1, 2018 if the additional $3,000 is drawn,