CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income (loss) after equity in losses from unconsolidated affiliates	$ 1,871	$ (5,439)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	3,571	1,374
Non-cash impact of operating leases	526	408
Deferred income tax benefit	(2,206)	(1,533)
Stock-based compensation	3,837	353
Equity in losses of unconsolidated affiliates	186	130
Accretion of discounts and issuance costs	22	1,524
Other losses	207	42
Changes in operating assets and liabilities (net of the effect of acquisitions):
Accounts receivable	858	(1,092)
Inventories	(1,818)	(3,081)
Other assets	(893)	(429)
Accounts payable	153	837
Other liabilities	(4,977)	2,145
Net cash provided by (used in) operating activities	1,337	(4,761)
Cash flows from investing activities:
Promissory note receivable issuance	(9,000)	0
Purchases of property and equipment	(262)	(210)
Proceeds from disposition of property and equipment	13	0
Net cash used in investing activities	(13,131)	(14,630)
Cash flows from financing activities:
Payment of stock issuance costs	(217)	(158)
Preferred stock proceeds	0	122,000
Proceeds from issuance of common stock	165,357	336
Repurchase of common stock	(679)	(538)
Repayments of other debt	(106)	(10)
Net cash provided by financing activities	164,355	121,630
Foreign exchange effect on cash and cash equivalents	(440)	(24)
Net increase (decrease) in cash and cash equivalents	152,121	102,215
Cash and cash equivalents, beginning of period	86,334	89,030
Cash and cash equivalents, end of period	238,455	191,245
Supplemental disclosure of cash flow information:
Non-cash transfers of equipment between inventory and property and equipment, net	1,549	553
Accrued stock issuance costs	97	56
Contingent consideration for acquisition	1,700	0
Indemnity holdback for acquisition	370	0
CVM
Cash flows from investing activities:
Payments to acquire businesses, net of cash acquired	0	(14,420)
Lacuna Diagnostics, Inc.
Cash flows from investing activities:
Payments to acquire businesses, net of cash acquired	$ (3,882)	$ 0