Income Taxes (Details 1)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
The reconciliations of the U.S. federal statutory rate to the effective income tax rate
Tax provision at U.S. federal statutory rates	34.00%	34.00%	34.00%
State income taxes net of federal benefit	3.10%	2.30%	2.60%
Deferred tax asset adjustments – NOL related	16.10%	6.80%	6.40%
Non-deductible permanent items	0.00%	0.70%	0.40%
Acquisition costs	0.00%	7.00%	0.00%
Other	0.40%	(1.00%)	0.30%
Change in valuation allowance	(11.50%)	(7.30%)	(6.30%)
Effective income tax rate	42.10%	42.50%	37.40%