CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating activities:
Net loss	$ (61,108)	$ (36,527)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	10,394	5,056
Stock-based compensation	15,970	8,143
Amortization of debt discount and debt issuance costs	1,292	2,376
Amortization of right-of-use assets	1,950	527
Provision for doubtful accounts	12	22
Provision for excess and obsolete inventory	4,317	3,434
Loss on disposal of instruments	689	144
Loss on extinguishment of debt		1,555
Other	1,991
Changes in operating assets and liabilities, net of effects of acquisition:
Accounts receivable	(1,261)	(3,657)
Inventories	(15,195)	(10,047)
Prepaid expenses and other current assets	1,515	(1,061)
Other assets	145
Accounts payable	3,797	5,883
Accrued expenses and other current liabilities	(506)	(2,549)
Lease liability	(26)	(644)
Other long-term liabilities	914	(2,800)
Net cash used in operating activities	(35,110)	(30,145)
Investing activities:
Purchase of property and equipment	(36,028)	(6,978)
Acquisition of business, net of cash acquired	(62,133)
Cash paid for investments	(3,000)
Settlement of forward contract	(2,589)
Net cash used in investing activities	(124,847)	(6,978)
Financing activities:
Proceeds from public offering	131,828
Net cash (paid) received from common stock exercises	(3,044)	1,379
Borrowings under lines of credit		42,455
Repayments under lines of credit		(56,615)
Principal payments on capital lease obligations	(2)	(18)
Proceeds from issuance of term debt, net		33,921
Principal payments on term loan and notes payable	(13)	(24)
Net cash provided by financing activities	128,769	21,098
Effect of exchange rate changes on cash	4	75
Net decrease in cash	(31,184)	(15,950)
Cash at beginning of period, including discontinued operations	107,765	47,113
Cash at end of period, including discontinued operations	76,581	31,163
Supplemental disclosure of cash flow information:
Cash paid for interest	3,476	3,534
Cash paid for income taxes	225	166
Supplemental disclosure of noncash investing activities:
Common stock issued with term loan draw		2,986
Purchases of property and equipment in accounts payable	591	$ 2,290
Recognition of lease liability	23,159
OCEANE
Investing activities:
Acquisition of business, net of cash acquired	$ (21,097)