Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balances (in shares) at Dec. 31, 2019	36,162				14
Balances at Dec. 31, 2019	$ 36	$ 334,299	$ (202,735)	$ (79)	$ (256)	$ 131,265
Exercise of options to purchase common stock (in shares)	479
Exercise of options to purchase common stock	$ 0	5,441				5,441
Vesting of restricted stock units (in shares)	91				0
Vesting of restricted stock units	$ 0	(2,568)	0	0	$ 0	(2,568)
Share-based compensation expense		11,157				11,157
Shares issued in primary offering (in shares)	4,000				0
Shares issued in primary offering	$ 4	252,058	0	0	$ 0	252,062
Foreign Currency Translation				(1)		(1)
Net loss			(3,188)			(3,188)
Balances (in shares) at Dec. 31, 2020	40,732				14
Balances at Dec. 31, 2020	$ 40	600,388	(205,924)	(80)	$ (256)	394,169
Exercise of options to purchase common stock (in shares)	224				0
Exercise of options to purchase common stock	$ 0	2,271	0	0	$ 0	2,271
Vesting of restricted stock units (in shares)	78				0
Vesting of restricted stock units	$ 0	(4,187)	0	0	$ 0	(4,187)
Share-based compensation expense	$ 0	25,068	0	0	$ 0	25,068
Shares issued in primary offering (in shares)	2,415				0
Shares issued in primary offering	$ 2	332,170	0	0	$ 0	332,172
Foreign Currency Translation	0	0	0	(40)	0	(40)
Net loss	$ 0	0	(29,699)	0	$ 0	(29,699)
Balances (in shares) at Dec. 31, 2021	43,449				14
Balances at Dec. 31, 2021	$ 43	955,710	(235,623)	(120)	$ (256)	719,754
Exercise of options to purchase common stock (in shares)	45				0
Exercise of options to purchase common stock	$ 0	471	0	0	$ 0	471
Vesting of restricted stock units (in shares)	43				0
Vesting of restricted stock units	$ 1	(1,441)	0	0	$ 0	(1,440)
Share-based compensation expense	$ 0	23,505	0	0	$ 0	23,505
Shares issued in primary offering (in shares)	4,320				0
Shares issued in primary offering	$ 4	337,504	0	0	$ 0	337,508
Foreign Currency Translation	0	0	0	1,490	0	1,490
Net loss	$ 0	0	(59,494)	0	$ 0	(59,494)
Issuance and exercise of partner warrants (in shares)	194				0
Issuance and exercise of partner warrants	$ 0	9,775	0	0	$ 0	9,775
Balances (in shares) at Dec. 31, 2022	48,051				14
Balances at Dec. 31, 2022	$ 48	$ 1,325,524	$ (295,117)	$ 1,370	$ (256)	$ 1,031,569