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STOCKHOLDERS' EQUITY (Tables) | 3 Months Ended
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Mar. 31, 2023
STOCKHOLDERS' EQUITY [Abstract] |
Schedule of Assumptions | The following assumptions were used to determine the fair value of options granted during the three months ended March 31, 2023 and 2022:
|  | Three Months Ended March 31, |
|  | 2023 |  |  | 2022 |
Expected term |  | 5.5 - 6.3 years |  |  | 5.5 - 6.3 years |
Volatility |  |  | 68 | % |  |  | 68 | %
Dividend yield |  |  | 0.0 |  |  |  | 0.0 |
Risk-free interest rate |  |  | 4.20-4.24 | % |  |  | 1.72-1.73 | %
Schedule of Option Activity | A summary of the Company’s option activity under the Company’s equity incentive plans and related information is as follows:
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  | Shares |  |  | Exercise Price |
Options outstanding, vested and expected to vest at December 31, 2022 |  |  | 8,256,211 |  |  | $ | 3.37 |
Forfeited |  |  | (15,555 | ) |  | $ | 2.29 |
Expired |  |  | (17,047 | ) |  | $ | 7.06 |
Granted |  |  | 1,727,510 |  |  | $ | 3.35 |
Exercised |  |  | (5,416 | ) |  | $ | 2.08 |
Options outstanding, vested and expected to vest at March 31, 2023 |  |  | 9,945,703 |  |  | $ | 3.36 |
Options exercisable |  |  | 6,660,313 |  |  | $ | 3.67 |
Schedule of Unvested RSU Activity | A summary of the Company’s unvested RSU activity and related information is as follows:
|  |  |  |  | Weighted |
|  |  |  |  | Average Grant |
|  | Shares |  |  | Date Fair Value |
Balance at December 31, 2022 |  |  | 2,866,987 |  |  | $ | 1.59 |
Granted |  |  | 2,666,260 |  |  | $ | 3.35 |
Vested |  |  | (628,283 | ) |  | $ | 1.76 |
Forfeited |  |  | (29,500 | ) |  | $ | 1.25 |
Balance at March 31, 2023 |  |  | 4,875,464 |  |  | $ | 2.53 |
Schedule of Stock-Based Compensation Expense | Total stock-based compensation expense for all awards granted under the Company’s equity incentive plans for the three months ended March 31, 2023 and 2022 is as follows:
|  | Three Months Ended March 31, |
|  | 2023 |  |  | 2022 |
Research and development |  | $ | 5,385 |  |  | $ | 4,671 |
Plasma center operating expenses |  |  | 23,055 |  |  |  | 21,052 |
Selling, general and administrative |  |  | 978,124 |  |  |  | 1,517,602 |
Cost of product revenue |  |  | 103,602 |  |  |  | 98,063 |
Total stock-based compensation expense |  | $ | 1,110,166 |  |  | $ | 1,641,388 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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