BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) $ in Thousands		9 Months Ended
	Sep. 14, 2018 shares	Sep. 30, 2018 shares	Jan. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)
Gas And Oil Acreage [Line Items]
Reverse stock split		one–for–twenty
Reverse stock split conversion ratio	0.05
Common stock, shares authorized | shares	20,000,000	20,000,000
Cancelable service contracts expected period		1 year
Tax Accounting for Intra-entity Asset Transfers Other Than Inventory
Gas And Oil Acreage [Line Items]
Cumulative effect of new accounting pronouncement				$ 294
Accumulated Deficit | Tax Accounting for Intra-entity Asset Transfers Other Than Inventory
Gas And Oil Acreage [Line Items]
Cumulative effect of new accounting pronouncement			$ 300	$ 294