LONG-TERM STOCK INCENTIVE PLAN - Additional Information (Details)	6 Months Ended
	Jun. 30, 2018 USD ($) installment shares	Jun. 30, 2017 USD ($)
Long-Term Stock Incentive Plans:
Weighted average remaining contractual term of stock options outstanding, years	6 months	1 year 2 months
Weighted average remaining contractual term of stock options exercisable, years	6 months	1 year 2 months 12 days
Unrecognized compensation cost | $	$ 0	$ 0
The Prior Plan | Minimum
Long-Term Stock Incentive Plans:
Long-term stock compensation - ceiling shares (in shares)	500,000
Long-term stock compensation - granting of options authorized, percent of diluted outstanding common stock	9.50%
The Prior Plan | Maximum
Long-Term Stock Incentive Plans:
Long-term stock compensation - ceiling shares (in shares)	8,932,921
Stock Options
Long-Term Stock Incentive Plans:
Long-term stock compensation - vesting period	4 years
Long-term stock compensation - vesting installments (installment) | installment	4
Stock Options | Minimum
Long-Term Stock Incentive Plans:
Long-term stock compensation - contractual term	5 years
Stock Options | Maximum
Long-Term Stock Incentive Plans:
Long-term stock compensation - contractual term	10 years
Equity Incentive Plan 2010
Long-Term Stock Incentive Plans:
Long-term stock compensation - ceiling shares (in shares)	25,000,000