INCOME TAXES (Details) - USD ($)	3 Months Ended			12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	$ (3,175,000)		$ (11,470,000)
Decrease in valuation allowance		$ (4,791,000)		$ (4,655,000)
Forecast [Member]
Operating Loss Carryforwards [Line Items]
State net operating loss carryforwards					$ 53,124,000
Alabama [Member] | State [Member] | Earliest Tax Year [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration date	Dec. 31, 2023
Alabama [Member] | State [Member] | Latest Tax Year [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration date	Dec. 31, 2029
Alabama [Member] | Forecast [Member]
Operating Loss Carryforwards [Line Items]
State net operating loss carryforwards					$ 52,033,000
Accounting Standards Update 2016-09 [Member]
Operating Loss Carryforwards [Line Items]
Tax reduction from net excess tax benefits from share based compensation	$ 15,513,000		$ 21,234,000