LONG TERM DEBT AND CREDIT AGREEMENT (Details)		12 Months Ended
	Jun. 15, 2015 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Line of Credit Facility [Line Items]
Other Long-term Debt, Noncurrent		$ 1,023,000	$ 1,271,000
Term Loan, net		168,941,000	198,629,000
Short-term Debt, Fair Value		9,158,000	4,941,000
Long-term Debt		160,806,000	202,759,000
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt				$ (577,000)
Capped Call Transaction Cost Reimbursement				27,000
Repayments of Lines of Credit		0	22,000,000	0
Debt, Long-term and Short-term, Combined Amount		169,964,000
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net		(2,059,000)
Cash paid for interest		7,439,000	17,499,000	12,262,000
Proceeds from revolving line of credit		0	22,000,000	$ 0
Long-term Debt [Member] | Cerberus Business Finance LLC [Member]
Line of Credit Facility [Line Items]
Unamortized Debt Issuance Expense		0	3,334,000
Convertible Debt [Member]
Line of Credit Facility [Line Items]
Long-term Debt, Gross	$ 125,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.00%
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net		$ 0	$ 680,000
Debt Instrument, Convertible, Conversion Ratio	0.0455840