Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income (loss)	$ (13,091)	$ (5,776)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	3,210	3,435
Amortization of acquisition related intangible assets	3,891	3,891
Non-cash operating lease cost	1,086	797
Stock-based compensation expense	7,867	6,626
Deferred income taxes	(3,277)	(2,020)
Provision for credit losses	103	175
Provision for inventory	1,252	675
Changes in operating assets and liabilities:
Accounts receivable, net	(2,116)	(3,103)
Inventories	(6,152)	(1,541)
Prepaid expenses, other current and long-term assets	756	(948)
Accounts payable	(1,029)	284
Operating lease liabilities	(1,048)	(764)
Accrued expenses, other current and long-term liabilities	(3,648)	(1,169)
Income taxes	285	657
Net cash (used in) provided by operating activities	(11,911)	1,219
Cash flows from investing activities:
Purchases of property and equipment	(2,846)	(3,266)
Net cash used in investing activities	(2,846)	(3,266)
Cash flows from financing activities:
Proceeds from employee stock purchase program	456	0
Cash paid for tax withheld on vested restricted stock awards	(2,049)	(870)
Proceeds from exercises of equity awards	37	15
Payments made on finance leases	0	(53)
Repurchases of common stock	(5,000)	0
Net cash used in financing activities	(6,556)	(908)
Exchange rate impact on cash	57	(39)
Decrease in cash and cash equivalents	(21,256)	(2,994)
Cash and cash equivalents at beginning of period	86,327	94,386
Cash and cash equivalents at end of period	65,071	91,392
Non-cash investing activities:
Right-of-use assets obtained in exchange for operating lease liabilities	0	11,589
Purchases of property and equipment included in accounts payable and accrued expenses	$ 60	$ 680