Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Narrative (Details)

v3.19.2
Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Jun. 04, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Remaining shares available for issuance 2,634,177   2,634,177      
Stock-based compensation $ 456 $ 344 $ 637 $ 668    
Options outstanding (in shares) 1,943,008   1,943,008     2,001,008
General and Administrative Expense.            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock-based compensation $ 500 $ 300 $ 600 $ 700    
Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unrecognized compensation cost related to non-vested awards $ 1,800   $ 1,800      
Unrecognized compensation cost, recognition period     3 years      
Restricted shares outstanding 150,000   150,000      
Stock Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Options outstanding (in shares) 579,402   579,402      
Unrecognized compensation cost related to non-vested awards $ 500   $ 500      
Unrecognized compensation cost, recognition period     3 years 1 month 6 days      
Equity Incentive Plan 2019 [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Remaining shares available for issuance 2,634,177   2,634,177      
Authorized shares (in shares) 7,073,922   7,073,922   2,300,000