Federal and State Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Expense Information
Federal Tax Rate Prior to Enactment of The Tax Cuts and Jobs Act	35.00%
Federal Tax Rate Subsequent to Enactment of The Tax Cuts and Jobs Act	21.00%
Income Tax Expense Attributable to Decrease in Income Tax Rate	$ 19,699,000
Income Tax Uncertainties
Unrecognized income tax benefit	0	$ 0
Accrued liabilities for the payment of interest or penalties	0	0
Valuation Allowance
Deferred tax valuation allowance	0	$ 0
Federal
Operating Loss and Tax Credit Carryforwards
Operating Loss Carryforwards, Amount	$ 9,337,000
Federal | Earliest Tax Year
Operating Loss and Tax Credit Carryforwards
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2030
Federal | Latest Tax Year
Operating Loss and Tax Credit Carryforwards
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2035
Colorado
Operating Loss and Tax Credit Carryforwards
Operating Loss Carryforwards, Amount	$ 12,988,000
Colorado | Earliest Tax Year
Operating Loss and Tax Credit Carryforwards
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2031
Colorado | Latest Tax Year
Operating Loss and Tax Credit Carryforwards
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2032