INCOME TAXES (Detail) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015
Effective income tax rate (as a percent)	28.00%	36.00%	27.00%	36.00%		36.00%
Reconciliation of federal income taxes and reported income taxes
Statutory federal tax benefit	$ (89,000)	$ (188,000)	$ (55,000)	$ (270,000)
State income taxes (benefits)	13,000	(16,000)	16,000	(26,000)
Income tax credits	(17,000)	(12,000)	(40,000)	(25,000)
Other	24,000	(1,000)	36,000
Income tax benefit	(69,000)	$ (217,000)	(43,000)	$ (321,000)
Unrecognized tax benefits
Net uncertain tax benefit positions that would increase (reduce) effective income tax rate, if recognized	$ 54,000		$ 54,000			$ 51,000
Forecast
Effective income tax rate (as a percent)					33.00%