INCOME TAXES. (Details 1)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Effective income tax rate reconciliation
Statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	4.00%	6.40%	9.20%
Change in valuation allowance	(34.50%)	(298.80%)	(4.20%)
Impact of Federal tax rate change on deferreds	(28.40%)
Impact of Federal tax rate change on valuation allowance	29.40%
Fair value adjustments and warrant inducements	0.40%	37.20%	2.00%
Noncontrolling interests	(3.20%)
Domestic production gross receipts deduction			(2.90%)
Section 382 reduction to loss carryover			0.10%
Stock compensation	(0.10%)	58.80%	(0.80%)
Non-deductible items	(0.20%)	8.90%	(0.50%)
Other	(1.60%)	(27.50%)	(3.20%)
Effective rate	0.80%	(180.00%)	34.70%