DEBT - Summary of Debt (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Current
Balance at Jan. 1, 2018	$ 2,740
Principal payments	(483)
Classification	0
Balance at Mar. 31, 2018	2,257
Debt Discount
Balance at Jan. 1, 2018	(32)
Classification	0
Amortization expense	12
Balance at Mar. 31, 2018	(20)
Deferred Debt Issuance Costs
Balance at Jan. 1, 2018	(14)
Classification	0
Amortization expense	5
Balance at Mar. 31, 2018	(9)
Debt, net at Mar 31, 2018	2,228
Long-term [Member]
Current
Balance at Jan. 1, 2018	0
Principal payments	0
Classification	0
Balance at Mar. 31, 2018	0
Debt Discount
Balance at Jan. 1, 2018	0
Classification	0
Amortization expense	0
Balance at Mar. 31, 2018	0
Deferred Debt Issuance Costs
Balance at Jan. 1, 2018	0
Classification	0
Amortization expense	0
Balance at Mar. 31, 2018	0
Debt, net at Mar 31, 2018	0
Current [Member]
Current
Balance at Jan. 1, 2018	2,740
Principal payments	(483)
Classification	0
Balance at Mar. 31, 2018	2,257
Debt Discount
Balance at Jan. 1, 2018	(32)
Classification	0
Amortization expense	12
Balance at Mar. 31, 2018	(20)
Deferred Debt Issuance Costs
Balance at Jan. 1, 2018	(14)
Classification	0
Amortization expense	5
Balance at Mar. 31, 2018	(9)
Debt, net at Mar 31, 2018	$ 2,228