Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

v3.10.0.1
Income Taxes (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2018
Mar. 31, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Income Tax Disclosure [Abstract]            
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   21.00%       34.00%
Deferred Tax Assets, Gross $ 37,000,000     $ 37,000,000    
Deferred Tax Assets, Valuation Allowance 37,000,000     37,000,000    
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax 697,000 $ 697,000   697,000    
Income tax benefit (expense) $ (10,000)   $ (13,000) $ (10,000) $ (25,000)  
Effective tax rate       (0.53%) (1.07%)