Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Textual)

Income Taxes (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Operating Loss Carryforwards [Line Items]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 34.00%
Adjustments To Deferred Tax Assets $ 5,900,000  
Deferred Tax Assets, Net of Valuation Allowance 0  
Unrecognized Tax Benefits 0  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued $ 0  
Operating Loss Carryforwards, Limitations on Use The availability of the Company’s net operating loss carryforwards may be subject to limitation if there is a change in the ownership of its stock of 50% or more.  
Domestic Tax Authority [Member]    
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards $ 50,000,000