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Notes Payable, Related Parties (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Apr. 30, 2013
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Long-term Debt, Gross $ 40      
Due to Employees $ 72      
Interest Expense, Related Party   $ 1 $ 17 $ 56
Notes Payable, Related Parties, Noncurrent   $ 0   $ 6
Salary Obligation [Member]        
Related Party Transaction, Rate 4.25%      
Debt Instrument, Periodic Payment $ 1      
Debt Instrument, Maturity Date May 31, 2018      
Unsecured Promissory Note [Member]        
Debt Instrument, Interest Rate, Stated Percentage 8.00% 8.00%   4.25%
Debt Instrument, Periodic Payment $ 1      
Debt Instrument, Maturity Date Apr. 30, 2018