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Stock-Based Compensation - Stock Option Activity (Details)
12 Months Ended
Dec. 31, 2022
$ / shares
shares
Options  
Outstanding, beginning of year (in shares) | shares 1,500
Stock options granted (in shares) | shares 100,000
Stock options exercised (in shares) | shares 0
Stock options canceled (in shares) | shares 1,500
Outstanding, end of year (in shares) | shares 100,000
Exercisable, end of year (in shares) | shares 0
Weighted Average Exercise Price  
Outstanding, beginning of year (in usd per share) | $ / shares $ 0.56
Stock options granted (in usd per share) | $ / shares 0.52
Stock options exercised (in usd per share) | $ / shares 0
Stock options canceled (in usd per share) | $ / shares 0.56
Outstanding, end of year (in usd per share) | $ / shares 0.52
Exercisable, end of year (in usd per share) | $ / shares $ 0