FINANCING RECEIVABLES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Financed receivables include installment receivable amounts which are due subsequent to one year
Gross Financed Receivables, short-term	$ 15,674	$ 13,982
Gross Financed Receivables, long-term	15,080	13,189
Allowance for Doubtful Accounts	(3,288)	(3,150)
Net Financed Receivables	27,466	24,021
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	3,150	3,200
Additions to allowance	965	748
Deductions, net of recoveries	(827)	(798)
Balance, end of period	$ 3,288	$ 3,150