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10. Stock-based Compensation (Details Narrative) - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Contribution expense $ 376 $ 368
Options [Member]    
Options granted 0  
Share-based compensation $ 41 134
Tax benefits 17 51
Unearned compensation related to non-vested stock options $ 19  
Weighted average period for unrecognized compensation 1 year 3 months 18 days  
Restricted Stock Units (RSUs) [Member]    
RSU's granted 2  
Share-based compensation $ 18 1
Tax benefits 7 0
Unearned compensation related to non-vested RSU's $ 3  
Weighted average period for unrecognized compensation 11 months 16 days  
Cash Incentive - Bonus [Member]    
Share-based compensation   1,720
Fully Vested Common Stock [Member]    
Share-based compensation   $ 191
Shares issued for compensation, shares   12
2015 Omnibus Incentive Plan [Member]    
Stock authorized for issuance 3,500  
Shares available for issuance 3,448  
2015 Omnibus Incentive Plan [Member] | Key Employees [Member]    
Options granted   50
2017 Plan [Member]    
Unearned compensation related to non-vested RSU's $ 1,073  
Accrued incentive compensation 3,589  
Stock issued for compensation, value 1,610  
Payment of incentive compensation 1,979  
Incentive compensation expense $ 2,516