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ACCRUED EXPENSES (Tables)

12 Months Ended

Dec. 31, 2017

Payables and Accruals [Abstract]

Schedule of accrued expenses

Accrued expenses consist of the following (in thousands):

	December 31,
	2017				2016
Compensation and benefits	$	12,295			$	11,228
Accrued operating expenses	20,646				16,538
Accrued royalties	4,091				3,822
Accrued interest	2,053				1,605
Product returns, rebates and other fees	1,972				3,473
Total	$	41,057			$	36,666

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Tabular disclosure of the components of accrued liabilities.

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