CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net loss	$ (65,621,000)	$ (27,674,000)
Adjustments to reconcile net loss to net cash used in operating activities
Stock-based compensation expense	5,944,000	5,118,000
Depreciation and amortization	2,739,000	2,863,000
Provision for bad debts	285,000	(202,000)
Provision for inventory valuation	815,000	(183,000)
Non-cash lease expense	1,082,000	861,000
Change in fair value of contingent consideration	(3,113,000)	763,000
Impairment of goodwill	14,701,000	0
Impairment of intangible assets	4,036,000	0
Loss on disposal of property and equipment	198,000	40,000
Amortization of discount on debt	320,000	64,000
Deferred income taxes	82,000	7,000
Loss on extinguishment of debt	1,114,000
Changes in operating assets and liabilities:
Accounts receivable	3,520,000	15,195,000
Inventories	(2,683,000)	(9,286,000)
Prepaid expenses and other assets	(408,000)	(281,000)
Accounts payable	(2,441,000)	(308,000)
Contract liabilities	(812,000)	(1,664,000)
Accrued expenses and other current liabilities	(8,884,000)	(14,856,000)
Operating lease liabilities, current and long-term	(1,013,000)	(859,000)
Net cash used in operating activities	(50,139,000)	(30,402,000)
Cash flows from investing activities
Purchases of property and equipment	(6,289,000)	(3,156,000)
Net cash used in investing activities	(6,289,000)	(3,156,000)
Cash flows from financing activities
Proceeds from loans, net of discount	99,094,000
Repayment of loans	(40,000,000)
Payments of debt extinguishment costs	(817,000)
Payment of debt issuance costs	(1,567,000)
Repayments on revolving loan facility	(6,608,000)	(1,993,000)
Payment of contingent consideration	(135,000)
Proceeds from exercise of stock options	55,000	917,000
Net cash provided by financing activities	50,157,000	(225,000)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(62,000)	(12,000)
Net decrease in cash, cash equivalents and restricted cash	(6,333,000)	(33,795,000)
Cash, cash equivalents and restricted cash
Beginning of period	57,324,000	115,536,000
End of period	50,991,000	81,741,000
Supplemental disclosures of cash flow information
Interest paid during the period	3,294,000	1,249,000
Property and equipment purchases in accounts payable and accrued expenses	224,000	442,000
Issuance of common stock to satisfy contingent consideration	5,630,000
Issuance of common stock warrants in conjunction with debt draw down	1,157,000
Issuance of common stock upon vesting of restricted stock units	12,000	91,000
Employee Stock Purchase Plan
Cash flows from financing activities
Proceeds from issuance of common stock under Employee Stock Purchase Plan	$ 135,000	$ 851,000