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Condensed Consolidated Statements Of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Other Comprehensive Income [Member]
Total
Balance at Dec. 31, 2020 $ 35,000 $ 267,086,000 $ (174,921,000) $ 92,200,000
Balance, Shares at Dec. 31, 2020 35,237,987      
Stock options for employees   249,000   249,000
Stock options for non-employees   1,000   1,000
Issuance of common stock pursuant to exercise of stock options $ 1,000 691,000   692,000
Common Stock, Exercise of stock options 554,019      
Issuance of common stock pursuant to exercise of warrants $ 135,015 1,746,000   1,746,000
Common stock issued in conjunction with follow-on public offering, net of issuance costs $ 4,000 189,821,000   189,825,000
Common stock issued in conjunction with follow-on public offering, net of issuance costs, shares 4,081,633      
Net loss     (3,526,000) (3,526,000)
Balance at Mar. 31, 2021 $ 40,000 459,594,000 (178,447,000) 281,187,000
Balance, Shares at Mar. 31, 2021 40,008,654      
Balance at Dec. 31, 2020 $ 35,000 267,086,000 (174,921,000) 92,200,000
Balance, Shares at Dec. 31, 2020 35,237,987      
Net loss       (8,651,000)
Balance at Jun. 30, 2021 $ 40,000 460,012,000 (183,572,000) 276,480,000
Balance, Shares at Jun. 30, 2021 40,011,894      
Balance at Mar. 31, 2021 $ 40,000 459,594,000 (178,447,000) 281,187,000
Balance, Shares at Mar. 31, 2021 40,008,654      
Stock options for employees   410,000   410,000
Stock options for non-employees   5,000   5,000
Issuance of common stock pursuant to exercise of stock options   3,000   3,000
Common Stock, Exercise of stock options 3,240      
Net loss     (5,125,000) (5,125,000)
Balance at Jun. 30, 2021 $ 40,000 460,012,000 (183,572,000) 276,480,000
Balance, Shares at Jun. 30, 2021 40,011,894      
Balance at Dec. 31, 2021 $ 40,000 461,181,000 (207,306,000) 253,915,000
Balance, Shares at Dec. 31, 2021 40,016,792      
Stock options for employees   471,000   471,000
Stock options for non-employees   24,000   24,000
Issuance of common stock pursuant to exercise of stock options   211,000   211,000
Common Stock, Exercise of stock options 14,488      
Net loss     (17,527,000) (17,527,000)
Balance at Mar. 31, 2022 $ 40,000 461,887,000 (224,833,000) 237,094,000
Balance, Shares at Mar. 31, 2022 40,031,280      
Balance at Dec. 31, 2021 $ 40,000 461,181,000 (207,306,000) 253,915,000
Balance, Shares at Dec. 31, 2021 40,016,792      
Net loss       (36,855,000)
Balance at Jun. 30, 2022 $ 40,000 462,491,000 (244,161,000) 218,370,000
Balance, Shares at Jun. 30, 2022 40,097,917      
Balance at Mar. 31, 2022 $ 40,000 461,887,000 (224,833,000) 237,094,000
Balance, Shares at Mar. 31, 2022 40,031,280      
Stock options for employees   462,000   462,000
Stock options for non-employees   23,000   23,000
Issuance of common stock pursuant to exercise of stock options   119,000   119,000
Common Stock, Exercise of stock options 66,637      
Net loss     (19,328,000) (19,328,000)
Balance at Jun. 30, 2022 $ 40,000 $ 462,491,000 $ (244,161,000) $ 218,370,000
Balance, Shares at Jun. 30, 2022 40,097,917