Consolidated Statements of Changes In Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance (in shares) at Dec. 31, 2020		17,679,232
Balance at Dec. 31, 2020	$ 56,880	$ 18	$ 117,097	$ (60,235)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for employee purchase plan (in shares)		38,991
Issuance of common stock for employee purchase plan	645		645
Exercise of stock options (in shares)		53,598
Exercise of stock options	1,252		1,252
Issuance of common stock in settlement of restricted and performance stock unites, net of shares withheld for employee taxes (in shares)		161,199
Issuance of common stock in settlement of restricted and performance stock units, net of shares withheld for employee taxes	(1,452)		(1,452)
Stock-based compensation expense	4,765		4,765
Purchase of capped call	(16,134)		(16,134)
Net income (loss)	7,387			7,387
Balance (in shares) at Jun. 30, 2021		17,933,020
Balance at Jun. 30, 2021	53,343	$ 18	106,173	(52,848)	0
Balance (in shares) at Mar. 31, 2021		17,801,926
Balance at Mar. 31, 2021	41,630	$ 18	102,206	(60,594)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for employee purchase plan (in shares)		38,991
Issuance of common stock for employee purchase plan	645		645
Exercise of stock options (in shares)		29,508
Exercise of stock options	856		856
Issuance of common stock in settlement of restricted and performance stock unites, net of shares withheld for employee taxes (in shares)		62,595
Issuance of common stock in settlement of restricted and performance stock units, net of shares withheld for employee taxes	(453)		(453)
Stock-based compensation expense	2,919		2,919
Net income (loss)	7,746			7,746
Balance (in shares) at Jun. 30, 2021		17,933,020
Balance at Jun. 30, 2021	$ 53,343	$ 18	106,173	(52,848)	0
Balance (in shares) at Dec. 31, 2021	17,995,344	17,995,344
Balance at Dec. 31, 2021	$ 56,569	$ 18	114,724	(58,173)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for employee purchase plan (in shares)		27,810
Issuance of common stock for employee purchase plan	$ 1,063		1,063
Exercise of stock options (in shares)	14,844	14,844
Exercise of stock options	$ 376		376
Issuance of common stock in settlement of restricted and performance stock unites, net of shares withheld for employee taxes (in shares)		167,817
Issuance of common stock in settlement of restricted and performance stock units, net of shares withheld for employee taxes	(4,234)		(4,234)
Stock-based compensation expense	8,776		8,776
Purchase of capped call	(32,024)		(32,024)
Issuance of common stock in extinguishment of convertible notes (in shares)		1,354,348
Issuance of common stock in extinguishment of convertible notes	55,949	$ 2	55,947
Net change in unrealized loss on available-for-sale investments	(183)				(183)
Net income (loss)	$ (62,418)			(62,418)
Balance (in shares) at Jun. 30, 2022	19,560,163	19,560,163
Balance at Jun. 30, 2022	$ 23,874	$ 20	144,628	(120,591)	(183)
Balance (in shares) at Mar. 31, 2022		18,132,949
Balance at Mar. 31, 2022	43,160	$ 18	116,468	(73,315)	(11)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for employee purchase plan (in shares)		27,810
Issuance of common stock for employee purchase plan	1,063		1,063
Exercise of stock options (in shares)		7,385
Exercise of stock options	225		225
Issuance of common stock in settlement of restricted and performance stock unites, net of shares withheld for employee taxes (in shares)		37,671
Issuance of common stock in settlement of restricted and performance stock units, net of shares withheld for employee taxes	(1,784)		(1,784)
Stock-based compensation expense	4,733		4,733
Purchase of capped call	(32,024)		(32,024)
Issuance of common stock in extinguishment of convertible notes (in shares)		1,354,348
Issuance of common stock in extinguishment of convertible notes	55,949	$ 2	55,947
Net change in unrealized loss on available-for-sale investments	(172)				(172)
Net income (loss)	$ (47,276)			(47,276)
Balance (in shares) at Jun. 30, 2022	19,560,163	19,560,163
Balance at Jun. 30, 2022	$ 23,874	$ 20	$ 144,628	$ (120,591)	$ (183)