Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net (loss) income	$ (5,776)	$ 9,369
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	3,435	3,086
Amortization of acquisition related intangible assets	3,891	3,925
Amortization of acquisition related inventory step-up	0	4,786
Non-cash operating lease cost	797	912
Change in fair value of contingent consideration	0	(18,470)
Loss on disposal of fixed assets	0	831
Stock-based compensation expense	6,626	5,056
Deferred income taxes	(2,020)	1,196
Provision (recovery) for doubtful accounts	175	(26)
Provision for inventory	675	2,404
Changes in operating assets and liabilities:
Accounts receivable	(3,103)	(5,347)
Inventories	(1,541)	(6,796)
Prepaid expenses, other current and long-term assets	(948)	1,608
Accounts payable	284	(642)
Operating lease liabilities	(764)	(849)
Accrued expenses, other current and long-term liabilities	(1,169)	2,307
Income taxes	657	(1,487)
Net cash provided by operating activities	1,219	1,863
Cash flows from investing activities:
Acquisition of Parcus Medical and Arthrosurface, net of cash acquired	0	(352)
Proceeds from maturities of investments	0	2,501
Purchases of property and equipment	(3,266)	(2,732)
Net cash used in investing activities	(3,266)	(583)
Cash flows from financing activities:
Payments made on finance leases	(53)	(147)
Cash paid for tax withheld on vested restricted stock awards	(870)	(353)
Proceeds from exercises of equity awards	15	643
Net cash (used in) provided by financing activities	(908)	143
Exchange rate impact on cash	(39)	(59)
(Decrease)/Increase in cash and cash equivalents	(2,994)	1,364
Cash and cash equivalents at beginning of period	94,386	95,817
Cash and cash equivalents at end of period	91,392	97,181
Supplemental disclosure of cash flow information:
Purchases of property and equipment included in accounts payable and accrued expenses	680	263
Accounting Standards Update 2016-02 [Member]
Supplemental disclosure of cash flow information:
Right-of-use assets obtained in exchange for operating lease liabilities	$ 11,589	$ 220