Income Taxes, Federal and State NOL Carryforwards (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Income Tax Expense (Benefit) [Abstract]
Income tax expense (benefit)		$ 1,000	$ 2,000	$ (29,000)	$ 4,000
Federal [Member]
NOL Carryforwards [Abstract]
Operating loss carryforwards, amount						$ 108,700,000
Federal [Member] | Tax Year 2006 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2006
Tax year expiring				2026
Operating loss carryforwards, amount						500,000
Federal [Member] | Tax Year 2007 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2007
Tax year expiring				2027
Operating loss carryforwards, amount						12,700,000
Federal [Member] | Tax Year 2008 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2008
Tax year expiring				2028
Operating loss carryforwards, amount						4,600,000
Federal [Member] | Tax Year 2009 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2009
Tax year expiring				2029
Operating loss carryforwards, amount						2,400,000
Federal [Member] | Tax Year 2010 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2010
Tax year expiring				2030
Operating loss carryforwards, amount						1,900,000
Federal [Member] | Tax Year 2011 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2011
Tax year expiring				2031
Operating loss carryforwards, amount						1,900,000
Federal [Member] | Tax Year 2013 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2013
Tax year expiring				2033
Operating loss carryforwards, amount						3,700,000
Federal [Member] | Tax Year 2014 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2014
Tax year expiring				2034
Operating loss carryforwards, amount						4,900,000
Federal [Member] | Tax Year 2015 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2015
Tax year expiring				2035
Operating loss carryforwards, amount						4,200,000
Federal [Member] | Tax Year 2016 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2016
Tax year expiring				2036
Operating loss carryforwards, amount						3,400,000
Federal [Member] | Tax Year 2017 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2017
Tax year expiring				2037
Operating loss carryforwards, amount						68,000,000
Federal [Member] | Tax Year 2018 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2018
Tax year expiring
Operating loss carryforwards, amount						500,000
State [Member]
NOL Carryforwards [Abstract]
Operating loss carryforwards, amount						84,100,000
State [Member] | Tax Year 2011 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2011
Tax year expiring				2031
Operating loss carryforwards, amount						1,800,000
State [Member] | Tax Year 2013 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2013
Tax year expiring				2033
Operating loss carryforwards, amount						2,700,000
State [Member] | Tax Year 2014 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2014
Tax year expiring				2034
Operating loss carryforwards, amount						4,200,000
State [Member] | Tax Year 2015 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2015
Tax year expiring				2035
Operating loss carryforwards, amount						4,100,000
State [Member] | Tax Year 2016 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2016
Tax year expiring				2036
Operating loss carryforwards, amount						2,800,000
State [Member] | Tax Year 2017 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2017
Tax year expiring				2037
Operating loss carryforwards, amount						68,000,000
State [Member] | Tax Year 2018 [Member]
NOL Carryforwards [Abstract]
Tax year originating				2018
Tax year expiring				2038
Operating loss carryforwards, amount						$ 500,000
Alternative Minimum Tax (AMT) Credit Carryforward [Member]
Income Tax Expense (Benefit) [Abstract]
Income tax refund received	$ 30,000