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Stock-based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 04, 2017
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2018
Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated share-based compensation expense   $ 56 $ 55 $ 108  
Nonvested awards, unrecognized stock-based compensation expense   $ 434      
Expected term for cost to be recognized (in years)   2 years      
Incentive Compensation Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock reserved for issuance (in shares)         1,630,000
Nonvested awards, unrecognized stock-based compensation expense   $ 18      
Performance Share Award Agreement          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock awards (in shares) 161,766        
Unvested awards (in shares)   129,000