Income Taxes (Details 2)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
The reconciliations of the U.S. federal statutory rate to the effective income tax rate
Tax provision at U.S. federal statutory rates	21.00%	21.00%	34.00%
State income taxes net of federal benefit	3.00%	3.20%	2.70%
Deferred tax asset adjustments - NOL related	(0.40%)	(0.20%)	(12.10%)
Non-deductible permanent items	(0.30%)	(0.20%)	(0.10%)
Stock options	(3.20%)	(3.40%)	(0.10%)
Goodwill impairment	0.00%	(1.50%)	(17.50%)
Other	(3.90%)	(0.20%)	0.30%
Transition tax adjustment	0.00%	0.00%	0.20%
Change in rate	0.00%	0.00%	(29.60%)
Change in valuation allowance	(16.30%)	(18.70%)	(42.20%)
Effective income tax rate	(0.10%)	0.00%	(64.40%)