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Stock Awards and Stock-Based Compensation - Stock-based compensation expense (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Stock Awards and Stock-Based Compensation |  |  |  |
Total stock-based compensation expense | $ 59,574 | $ 287,786 | $ 2,399,063 | $ 2,780,639
Cost of services provided |  |  |  |
Stock Awards and Stock-Based Compensation |  |  |  |
Total stock-based compensation expense | 494 | 2,174 | 21,721 | 160,504
Research and development expense |  |  |  |
Stock Awards and Stock-Based Compensation |  |  |  |
Total stock-based compensation expense | 18,855 | 59,860 | 292,084 | 493,336
Selling, general, and administrative |  |  |  |
Stock Awards and Stock-Based Compensation |  |  |  |
Total stock-based compensation expense | $ 40,225 | $ 225,752 | $ 2,085,258 | $ 2,126,799

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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