Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ 14,179	$ (8,061)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation and amortization	3,816	1,574
Non-cash interest	2,791	1,565
Loss on extinguishment of debt		6,299
Loss on change in fair value - warrant liabilities	25,337	1,988
Tax receivable agreement expense	32,945
Stock-based compensation	1,212	6,806
Deferred income taxes	(44,007)
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	9,663	(14,604)
Decrease (increase) in inventories	7,807	(2,117)
Increase in prepaid inventory and other assets	(3,049)	(1,231)
Increase in accounts payable	903	4,610
Increase in accrued sales returns	4,678	544
Increase in accrued compensation	2,374	2,069
Increase (decrease) in customer prepayments	2,080	(2,448)
Increase in income tax payable	8,224
Increase in other accrued liabilities	3,399	5,155
Net cash provided by operating activities	72,352	2,149
Cash flows from investing activities:
Purchase of property and equipment	(8,010)	(3,136)
Investment in intangible assets	(2,435)	(121)
Net cash used in investing activities	(10,445)	(3,257)
Cash flows from financing activities:
Proceeds from related-party debt		10,000
Proceeds from exercise of warrants	23
Repurchase of stock options		(97)
Payments for debt issuance costs		(758)
Principal payments on capital lease obligations	(6)	(14)
Net cash provided by financing activities	17	9,131
Net increase in cash	61,924	8,023
Cash, beginning of the period	33,478	12,232
Cash, end of the period	95,402	20,255
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	22	912
Cash paid during the period for income taxes	72
Supplemental schedule of non-cash investing and financing activities:
Property and equipment included in accounts payable	1,025	482
Equipment acquired through capital lease		350
Non-cash leasehold improvements	615
Accrued distributions	4,523
Tax Receivable Agreement liability	45,266
Deferred income taxes	$ 56,636