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Stockholders' Equity - Stock Incentive Plans - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Jun. 30, 2015
Mar. 31, 2016
Mar. 31, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock option compensation expense   $ 95 $ 102
Restricted stock compensation expense   138 22
Stock Options [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock option compensation expense   $ 100 $ 100
Stock options granted   0 0
Stock Options [Member] | Maximum [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Options granted, term   10 years  
Restricted Stock [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options granted   75,000 0
Restricted stock compensation expense   $ 100 $ 20
2004 Stock Incentive Plan [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares reserved for the issuance (in shares)   187,500  
2009 Stock Incentive Plan [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares reserved for the issuance (in shares) 406,250 1,506,250  
Increased number of shares (in shares) 1,100,000    
Shares available for grant   114,121