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Pay vs Performance Disclosure - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Pay vs Performance Disclosure [Table]    
Pay vs Performance [Table Text Block]
Year(1)
  Summary Compensation Table Total for PEO ($)
Compensation Actually Paid to PEO ($)(2)
 
Average Summary Compensation Table Total for Non-PEO NEOs ($)
Average Compensation Actually Paid to Non-PEO NEOs ($)(2)
Value of Initial Fixed $100 Investment Based on Total Shareholder Return ($) 
Net Loss ($ in thousands)
2022  1,590,347 91,869  1,523,156 222,550 8  (38,728)
20213,635,198 (1,401,408)2,148,786 539,237 33 (28,315)
  
Named Executive Officers, Footnote [Text Block] Mr. Erlander served as our PEO during each year shown. The Non-PEO NEO's presented in the table represent the two highest paid NEO's during the respective years as follows:
•2022: James Levine and Tod Smeal
•2021: Vicki Kelemen and James Levine
  
PEO Total Compensation Amount $ 1,590,347 $ 3,635,198
PEO Actually Paid Compensation Amount $ 91,869 (1,401,408)
Adjustment To PEO Compensation, Footnote [Text Block] The 2022 Summary Compensation Table totals reported for the PEO and the average of the Other NEOs for each year were subject to the following adjustments per Item 402(v)(2)(iii) of Regulation S-K to calculate “compensation actually paid”:
20222021
PEO ($)Average for Other NEO's ($)PEO ($)Average for Other NEO's ($)
Summary Compensation Table1,590,347 1,523,156 3,635,198 2,148,786 
Adjustments
Deduction for amounts reported under the “Stock Awards” and “Option Awards” columns of the Summary Compensation Table(i)
(753,272)(919,022)(2,851,972)(1,701,431)
Increase/(decrease) for the Inclusion of "Rule 402(v) Equity Values" (i)
(745,206)(381,584)(2,184,634)91,882 
Compensation Actually Paid91,869 222,550 (1,401,408)539,237 

(i)Compensation Actually Paid excludes the Stock Awards and Option Awards columns from the relevant fiscal year’s Summary Compensation Table total. The Rule 402(v) Equity Values instead reflect the aggregate of the following components, as applicable: (i) the fair value as of the end of the listed fiscal year of unvested equity awards granted in that year; (ii) the change in fair value during the listed fiscal year of equity awards granted in prior years that remained outstanding and unvested at the end of the listed fiscal year; and (iii) the change in fair value during the listed fiscal year through the vesting date of equity awards granted in prior years that vested during the listed fiscal year, less the fair value at the end of the prior year of awards granted
prior to the listed fiscal year that failed to meet applicable vesting conditions during the listed fiscal year. Equity values are calculated in accordance with FASB ASC Topic 718, calculated as follows:

20222021
“Inclusion of Rule 402(v) Equity Values”PEO ($)Average for Other NEO's ($)PEO ($)Average for Other NEO's ($)
Add: Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year446,788 253,637 1,992,010 1,380,605 
Add: Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards(288,112)(457,723)(2,270,502)(701,257)
Add: Awards that are granted and vest in the same year, the fair value as of the vesting date — — — — 
Change in Fair Value of Prior Years’ Equity Awards that Vested During the Year(903,882)(177,498)(1,906,142)(587,466)
Subtract: Awards Granted in any prior fiscal year that failed to vest Change in Value of Prior Years’ Equity Awards that Forfeited During the Year— — — — 
Increase/(decrease) for the “Inclusion of Rule 402(v) Equity Values” (i)(745,206)(381,584)(2,184,634)91,882 
  
Non-PEO NEO Average Total Compensation Amount $ 1,523,156 2,148,786
Non-PEO NEO Average Compensation Actually Paid Amount $ 222,550 539,237
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] The 2022 Summary Compensation Table totals reported for the PEO and the average of the Other NEOs for each year were subject to the following adjustments per Item 402(v)(2)(iii) of Regulation S-K to calculate “compensation actually paid”:
20222021
PEO ($)Average for Other NEO's ($)PEO ($)Average for Other NEO's ($)
Summary Compensation Table1,590,347 1,523,156 3,635,198 2,148,786 
Adjustments
Deduction for amounts reported under the “Stock Awards” and “Option Awards” columns of the Summary Compensation Table(i)
(753,272)(919,022)(2,851,972)(1,701,431)
Increase/(decrease) for the Inclusion of "Rule 402(v) Equity Values" (i)
(745,206)(381,584)(2,184,634)91,882 
Compensation Actually Paid91,869 222,550 (1,401,408)539,237 

(i)Compensation Actually Paid excludes the Stock Awards and Option Awards columns from the relevant fiscal year’s Summary Compensation Table total. The Rule 402(v) Equity Values instead reflect the aggregate of the following components, as applicable: (i) the fair value as of the end of the listed fiscal year of unvested equity awards granted in that year; (ii) the change in fair value during the listed fiscal year of equity awards granted in prior years that remained outstanding and unvested at the end of the listed fiscal year; and (iii) the change in fair value during the listed fiscal year through the vesting date of equity awards granted in prior years that vested during the listed fiscal year, less the fair value at the end of the prior year of awards granted
prior to the listed fiscal year that failed to meet applicable vesting conditions during the listed fiscal year. Equity values are calculated in accordance with FASB ASC Topic 718, calculated as follows:

20222021
“Inclusion of Rule 402(v) Equity Values”PEO ($)Average for Other NEO's ($)PEO ($)Average for Other NEO's ($)
Add: Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year446,788 253,637 1,992,010 1,380,605 
Add: Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards(288,112)(457,723)(2,270,502)(701,257)
Add: Awards that are granted and vest in the same year, the fair value as of the vesting date — — — — 
Change in Fair Value of Prior Years’ Equity Awards that Vested During the Year(903,882)(177,498)(1,906,142)(587,466)
Subtract: Awards Granted in any prior fiscal year that failed to vest Change in Value of Prior Years’ Equity Awards that Forfeited During the Year— — — — 
Increase/(decrease) for the “Inclusion of Rule 402(v) Equity Values” (i)(745,206)(381,584)(2,184,634)91,882 
  
Total Shareholder Return Amount $ 8 33
Net Income (Loss) $ (38,728,000) (28,315,000)
PEO Name Mr. Erlander  
PEO [Member] | Deduction for amounts reported under the “Stock Awards” and “Option Awards” columns of the Summary Compensation Table( [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment to Compensation Amount $ (753,272) (2,851,972)
PEO [Member] | Increase/(decrease) for the Inclusion of Rule 402(v) Equity Values [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment to Compensation Amount (745,206) (2,184,634)
PEO [Member] | Equity Awards, Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards 446,788 1,992,010
PEO [Member] | Equity Awards, Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards (288,112) (2,270,502)
PEO [Member] | Equity Awards, Add: Awards that are granted and vest in the same year, the fair value as of the vesting date [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards 0 0
PEO [Member] | Equity Awards, Change in Fair Value of Prior Years’ Equity Awards that Vested During the Year [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards (903,882) (1,906,142)
PEO [Member] | Equity Awards, Change in Value of Prior Years’ Equity Awards that Forfeited During the Year [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards 0 0
Non-PEO NEO [Member] | Deduction for amounts reported under the “Stock Awards” and “Option Awards” columns of the Summary Compensation Table( [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment to Compensation Amount (919,022) (1,701,431)
Non-PEO NEO [Member] | Increase/(decrease) for the Inclusion of Rule 402(v) Equity Values [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment to Compensation Amount (381,584) 91,882
Non-PEO NEO [Member] | Equity Awards, Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards 253,637 1,380,605
Non-PEO NEO [Member] | Equity Awards, Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards (457,723) (701,257)
Non-PEO NEO [Member] | Equity Awards, Add: Awards that are granted and vest in the same year, the fair value as of the vesting date [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards 0 0
Non-PEO NEO [Member] | Equity Awards, Change in Fair Value of Prior Years’ Equity Awards that Vested During the Year [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards (177,498) (587,466)
Non-PEO NEO [Member] | Equity Awards, Change in Value of Prior Years’ Equity Awards that Forfeited During the Year [Member]    
Pay vs Performance Disclosure [Table]    
Adjustment To Compensation Amount, Equity Awards $ 0 $ 0