INCOME TAXES - Net Deferred Tax Liabilities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Deferred tax amounts included in balance sheet
Current assets	$ 195,000	$ 178,000
Noncurrent liabilities	(580,000)	(545,000)
Net deferred tax liabilities	(385,000)	(367,000)
Valuation allowance	45,000	30,000
Change in valuation allowance	15,000	296,000
Unrecognized tax benefits	$ 0	$ 0