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Income Taxes (Details Narrative) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 22, 2017
Dec. 31, 2017
Dec. 31, 2016
US corporate tax percentage 35.00%    
Reduced income tax rate percentage 21.00%    
Income tax expenses $ 8,791 $ (32) $ (26)
Net change in valuation allowance   8,898 917
Deferred tax asset NOLs   15,337 $ 23,291
2005 And Prior Years [Member]      
Deferred tax asset NOLs   437  
Federal Income Tax Purposes [Member]      
NOL carryforwards   $ 66,554  
NOL carryforward expiration date   Dec. 31, 2018  
State Purposes [Member]      
NOL carryforwards   $ 29,185  
NOL carryforward expiration date   Dec. 31, 2018  
State Tax [Member]      
Deferred tax asset NOLs   $ 171  
Tax carryforwards description   Expire in the years 2018 through 2026.