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STOCKHOLDERS' EQUITY, Equity Incentive Plans (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Stock Options [Abstract]        
Aggregate exercise proceeds     $ 1,360 $ 472
Stock-based compensation expense [Abstract]        
Stock-based compensation expense $ 2,863 $ 1,637 5,004 2,747
Research and Development [Member]        
Stock-based compensation expense [Abstract]        
Stock-based compensation expense 24 9 41 15
Plasma Center Operating Expenses [Member]        
Stock-based compensation expense [Abstract]        
Stock-based compensation expense 48 40 87 63
Selling, General and Administrative [Member]        
Stock-based compensation expense [Abstract]        
Stock-based compensation expense 2,405 1,410 4,246 2,388
Cost of Product Revenue [Member]        
Stock-based compensation expense [Abstract]        
Stock-based compensation expense $ 386 $ 178 $ 630 $ 281
Stock Options [Member]        
Fair Value Assumptions and Methodology [Abstract]        
Volatility     66.00% 68.00%
Dividend yield     0.00% 0.00%
Risk-free interest rate     4.29%  
Stock Options [Abstract]        
Number of stock options granted (in shares)     1,396,524 1,727,510
Weighted average remaining contractual life of stock options, outstanding     7 years 3 months 18 days  
Weighted average remaining contractual life of stock options, expected to vest     6 years  
Stock Options, Shares [Abstract]        
Options outstanding, vested and expected to vest, beginning balance (in shares)     5,906,184  
Forfeited (in shares)     (15,702)  
Expired (in shares)     (212,717)  
Granted (in shares)     1,396,524  
Exercised (in shares)     (555,171)  
Options outstanding, vested and expected to vest, ending balance (in shares) 6,519,118   6,519,118  
Options exercisable (in shares) 3,585,489   3,585,489  
Stock Options, Weighted Average Exercise Price [Abstract]        
Options outstanding, vested and expected to vest, beginning balance (in dollars per share)     $ 3.38  
Forfeited (in dollars per share)     1.94  
Expired (in dollars per share)     7.55  
Granted (in dollars per share)     5.65  
Exercised (in dollars per share)     2.76  
Options outstanding, vested and expected to vest, ending balance (in dollars per share) $ 3.79   3.79  
Options exercisable (in dollars per share) $ 3.55   $ 3.55  
Restricted Stock Units [Abstract]        
Restricted stock units vested over a period     4 years  
Stock Options [Member] | Minimum [Member]        
Fair Value Assumptions and Methodology [Abstract]        
Expected term     5 years 6 months 5 years 6 months
Risk-free interest rate       4.20%
Stock Options [Member] | Maximum [Member]        
Fair Value Assumptions and Methodology [Abstract]        
Expected term     6 years 3 months 18 days 6 years 3 months 18 days
Risk-free interest rate     4.34% 4.24%
Stock Options [Member] | Equity Incentive Plans [Member]        
Stock Options [Abstract]        
Shares withheld to cover aggregate exercise prices (in shares) 20,774   20,774  
Aggregate exercise proceeds $ 1,400      
Stock Options, Weighted Average Exercise Price [Abstract]        
Unrecognized compensation expense, stock options $ 7,300   $ 7,300  
Unrecognized compensation expense recognition period     2 years 10 months 24 days  
RSUs [Member]        
Restricted Stock Units [Abstract]        
Number of restricted stock units granted (in shares)     2,781,288 2,976,260
Restricted stock units vested over a period     4 years  
Shares withheld for tax withholding obligation (in shares) 440,053   440,053  
Amount of shares withheld for tax withholding obligation $ 3,200   $ 3,200  
Unvested RSU, Shares [Abstract]        
Beginning balance (in shares)     4,657,297  
Granted (in shares)     2,781,288  
Vested (in shares)     (1,386,350)  
Forfeited (in shares)     (186,438)  
Ending balance (in shares) 5,865,797   5,865,797  
Unvested RSU, Weighted Average Grant Date Fair Value [Abstract]        
Beginning balance (in dollars per share)     $ 2.81  
Granted (in dollars per share)     5.61  
Vested (in dollars per share)     2.52  
Forfeited (in dollars per share)     3.45  
Ending balance (in dollars per share) $ 4.19   $ 4.19  
RSUs [Member] | Directors [Member]        
Restricted Stock Units [Abstract]        
Restricted stock units vested over a period     1 year  
RSUs [Member] | Employees [Member]        
Restricted Stock Units [Abstract]        
Restricted stock units vested over a period     4 years  
RSUs [Member] | Equity Incentive Plans [Member]        
Stock Options, Weighted Average Exercise Price [Abstract]        
Unrecognized compensation expense recognition period     3 years 2 months 12 days  
Unvested RSU, Weighted Average Grant Date Fair Value [Abstract]        
Unrecognized compensation expense, non option $ 21,900   $ 21,900