Condensed Consolidated Statements Of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balances at Dec. 31, 2020	$ 341	$ 6	$ 153,571	$ (153,561)	$ 325
Balances (in Shares) at Dec. 31, 2020		59,526,171
Exercise of stock options	50	$ 0	50	0	0
Exercise of stock options (in Shares)		48,211
Stock-based compensation expense	3,265	$ 0	3,265	0	0
Foreign currency translation adjustment	24	0	0	0	24
Net loss	(39,756)	0	0	(39,756)	0
Balance at Mar. 31, 2021	(36,076)	$ 6	156,886	(193,317)	349
Balance (in Shares) at Mar. 31, 2021		59,574,382
Balances at Dec. 31, 2020	341	$ 6	153,571	(153,561)	325
Balances (in Shares) at Dec. 31, 2020		59,526,171
Reclassification of common stock warrant liability to permanent equity	0
Balance at Jun. 30, 2021	(25,925)	$ 6	170,449	(196,668)	288
Balance (in Shares) at Jun. 30, 2021		60,681,591
Balances at Mar. 31, 2021	(36,076)	$ 6	156,886	(193,317)	349
Balances (in Shares) at Mar. 31, 2021		59,574,382
Issuance of common stock upon the private offering	9,250	$ 0	9,250	0	0
Issuance of common stock upon the private offering (Shares)		960,540
Exercise of stock options	58	$ 0	58	0	0
Exercise of stock options (in Shares)		124,680
Stock-based compensation expense	4,255	$ 0	4,255	0	0
Issuance of common stock upon vesting of restricted stock awards	0	$ 0	0	0	0
Issuance of common stock upon vesting of restricted stock awards (in Shares)		21,989
Foreign currency translation adjustment	(61)	$ 0	0	0	(61)
Net loss	(3,351)	0	0	(3,351)	0
Balance at Jun. 30, 2021	(25,925)	$ 6	170,449	(196,668)	288
Balance (in Shares) at Jun. 30, 2021		60,681,591
Balances at Dec. 31, 2021	12,597	$ 6	175,659	(163,301)	233
Balances (in Shares) at Dec. 31, 2021		62,312,097
Reclassification of common stock warrant liability to permanent equity	305		305	0	0
Exercise of stock options	267	$ 0	267	0	0
Exercise of stock options (in Shares)		934,448
Stock-based compensation expense	2,202	$ 0	2,202	0	0
Unrealized loss on available-for-sale securities	(50)	0	0	0	(50)
Foreign currency translation adjustment	50	0	0	0	50
Net loss	(13,354)	0	0	(13,354)	0
Balance at Mar. 31, 2022	2,017	$ 6	178,433	(176,655)	233
Balance (in Shares) at Mar. 31, 2022		63,246,545
Balances at Dec. 31, 2021	12,597	$ 6	175,659	(163,301)	233
Balances (in Shares) at Dec. 31, 2021		62,312,097
Reclassification of common stock warrant liability to permanent equity	305
Balance at Jun. 30, 2022	(563)	$ 6	180,534	(181,189)	86
Balance (in Shares) at Jun. 30, 2022		63,421,908
Balances at Mar. 31, 2022	2,017	$ 6	178,433	(176,655)	233
Balances (in Shares) at Mar. 31, 2022		63,246,545
Exercise of stock options	17	$ 0	17	0	0
Exercise of stock options (in Shares)		110,000
Stock-based compensation expense	2,184	$ 0	2,184	0	0
Issuance of common stock upon vesting of restricted stock awards	0	$ 0	0	0	0
Issuance of common stock upon vesting of restricted stock awards (in Shares)		65,363
Unrealized loss on available-for-sale securities	(37)	$ 0	0	0	(37)
Offering costs	(100)	0	(100)	0	0
Foreign currency translation adjustment	(110)	0	0	0	(110)
Net loss	(4,534)	0	0	(4,534)	0
Balance at Jun. 30, 2022	$ (563)	$ 6	$ 180,534	$ (181,189)	$ 86
Balance (in Shares) at Jun. 30, 2022		63,421,908