Income Taxes, Net Deferred Tax Asset (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Net Deferred Tax Asset Arising Primarily from NOL Carryforwards and AMT Credit Carryforwards [Abstract]
Deferred tax asset	$ 40,815,000	$ 44,501,000
Valuation allowance	(35,445,000)	(33,760,000)
Net deferred tax asset recognized	$ 5,370,000	$ 10,741,000