Quarterly report pursuant to Section 13 or 15(d)

Compensation (Narrative) (Details)

v3.7.0.1
Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Proceeds from the issuances of common stock     $ 38  
Stock options, authorized 1,667,880   1,667,880  
Stock-based compensation $ 600 $ 1,000 $ 783 $ 1,434
Tax benefits related to stock based compensation     $ 0  
Stock options granted, exercisable life     5 years  
Shares Paid for Tax Withholding for Share Based Compensation 0 0 0 31,808
Number of Shares Underlying Options, Granted     1,550,442  
Options Granted To Non-Employee Directors [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Number of Shares Underlying Options, Granted     465,950  
Stock Option [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock, vesting period     3 years  
Restricted Stock [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock, vesting period     3 years  
Stock Appreciation Rights (SARs) [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-Based Compensation Arrangement By Share-Based Payment Award Life     5 years  
Share-Based Compensation Arrangemet By Share-Based Payment Award Spread 300.00%   300.00%  
Share-Based Compensation Arrangement By Share-Based Payment Award Grant Date Share Price     $ 1.04  
Stock, vesting period     3 years  
Number of shares available from options granted 1,049,528   1,049,528  
Options granted, exercise price $ 1.20   $ 1.20  
Stock Appreciation Rights (SARs) [Member] | First Vesting Milestone [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based compensation, vesting hurdle share price 1.30   1.30  
Stock Appreciation Rights (SARs) [Member] | Second Vesting Milestone [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based compensation, vesting hurdle share price 1.50   1.50  
Stock Appreciation Rights (SARs) [Member] | Third Vesting Milestone [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based compensation, vesting hurdle share price $ 1.75   $ 1.75  
Maximum [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock, vesting period     5 years