WORKING CAPITAL LINE OF CREDIT AND OVERDRAFT FACILITY - Revolving Line Of Credit (Detail) - Wells Fargo Bank [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 4,000
Line of Credit Facility, Maximum Amount Outstanding During Period	$ 0
Line of Credit Facility, Expiration Date	Oct. 01, 2018
Line of Credit Facility, Interest Rate Description	Fixed rate at 1.75% above the LIBOR in effect on the first day of the applicable fixed-rate term, or Variable rate at 1.75% above the daily one-month LIBOR rate