Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Components of income tax expense (benefit) [Abstract]
Federal - current	$ 0	$ 0
State - current	3,000	35,000
Total current	3,000	35,000
Federal - deferred	0	0
State - deferred	0	0
Total deferred	0	0
Income tax expense (benefit)	$ 3,000	$ 35,000
Reconciliation of federal statutory rate to effective income tax rate [Abstract]
Tax at statutory federal rate	35.00%	35.00%
State income taxes	(0.20%)	(3.00%)
Permanent difference, tax credits and other adjustments	0.00%	0.00%
Other	0.00%	0.00%
Change in valuation allowance	(35.00%)	(35.00%)
Effective income tax rate	(0.20%)	(3.00%)
Operating Loss Carryforwards [Line Items]
AMT Credits	$ 21,000,000
Net deferred tax asset arising primarily from NOL carryforwards and AMT credits [Abstract]
Net deferred tax asset	36,900,000		$ 36,400,000
Valuation allowance	(36,900,000)		(36,400,000)
Net deferred tax asset recognized	0		$ 0
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, amount	39,400,000
State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, amount	$ 15,600,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2006 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2006
Tax year expiring	2026
Operating loss carryforwards, amount	$ 500,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2007 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2007
Tax year expiring	2027
Operating loss carryforwards, amount	$ 12,700,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2008 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2008
Tax year expiring	2028
Operating loss carryforwards, amount	$ 4,600,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2009 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2009
Tax year expiring	2029
Operating loss carryforwards, amount	$ 2,400,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2010 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2010
Tax year expiring	2030
Operating loss carryforwards, amount	$ 1,900,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2011 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2011
Tax year expiring	2031
Operating loss carryforwards, amount	$ 1,900,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2013 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2013
Tax year expiring	2033
Operating loss carryforwards, amount	$ 3,700,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2014 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2014
Tax year expiring	2034
Operating loss carryforwards, amount	$ 4,900,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax Year 2015 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2015
Tax year expiring	2035
Operating loss carryforwards, amount	$ 4,200,000
Originated Loss Carryforwards [Member] | Federal [Member] | Tax year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2016
Tax year expiring	2036
Operating loss carryforwards, amount	$ 2,600,000
Originated Loss Carryforwards [Member] | State [Member] | Tax Year 2011 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2011
Tax year expiring	2031
Operating loss carryforwards, amount	$ 1,800,000
Originated Loss Carryforwards [Member] | State [Member] | Tax Year 2013 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2013
Tax year expiring	2033
Operating loss carryforwards, amount	$ 2,700,000
Originated Loss Carryforwards [Member] | State [Member] | Tax Year 2014 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2014
Tax year expiring	2034
Operating loss carryforwards, amount	$ 4,200,000
Originated Loss Carryforwards [Member] | State [Member] | Tax Year 2015 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2015
Tax year expiring	2035
Operating loss carryforwards, amount	$ 4,100,000
Originated Loss Carryforwards [Member] | State [Member] | Tax year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Tax year originating	2016
Tax year expiring	2036
Operating loss carryforwards, amount	$ 2,800,000