Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating activities:
Net income	$ 14,301	$ 6,131
Adjustments to reconcile net income to net cash flows from operating activities
Depreciation	54	446
Accretion of debt discount and loan costs	174	142
Amortization of intangible assets	3,469	3,515
Provision for inventory obsolescence	699	72
Stock-based compensation expense	3,187	6,306
Net change in operating lease assets and liabilities	(19)	0
Changes in assets and liabilities:
Accounts receivable	(4,722)	(9,336)
Inventories	(1,915)	(6,534)
Prepaid expenses and other assets	368	1,670
Accounts payable and accrued liabilities	4,731	2,617
Taxes payable	0	(40)
Net cash flows provided by operating activities	20,327	4,989
Investing activities:
Acquisitions of equipment	(415)	0
Net cash flows used in investing activities	(415)	0
Financing activities:
Proceeds from notes payable	0	20,000
Proceeds from exercise of stock options	260	2,569
Payment on share repurchase	(11,903)	0
Payment on deferred financing fees	0	(437)
Net cash flows provided by financing activities	(11,643)	22,132
Net change in cash and cash equivalents	8,269	27,121
Cash and cash equivalents at beginning of period	111,584	63,888
Cash and cash equivalents at end of period	119,853	91,009
Cash paid for interest	$ 3,821	$ 3,095