Income Taxes (Narrative) (Details)	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2009 USD ($)
Income Taxes [Abstract]
Consecutive number of quarters				7
Income tax expense	$ 249,000	$ 3,200,000		$ 603,000
Proceeds from sale of common stock							$ 22,500,000
Net operating loss carry forwards		25,166,000				$ 25,166,000
Alternative minimum tax credit carryforwards		105,000				105,000
Carryforwards utilize limit before the stock offering closed						163,000
Unutilized operating loss carryforwards that will expire		20,520,000				20,520,000
Reduced deferred tax assets and valuation allowance		6,977,000				6,977,000
Statutory income tax rate	34.00%		0.00%	34.00%	0.00%
Additional bad debt deductions provided by Federal income tax laws						2,250,000
Deferred tax liability not recorded		765,000				765,000
Deferred tax asset	$ 2,700,000	3,300,000		$ 2,700,000		3,300,000		$ 0
Unrecognized Tax Benefits	$ 0	$ 0		$ 0		$ 0
Effective tax rate	33.00%		0.00%	32.70%	0.00%