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Stock Options and Other Compensation	12 Months Ended
Stock Options and Other Compensation	Dec. 31, 2022
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock Options and Other Compensation	7. Stock Options and Other Compensation In May 1989, non-statutory stock options were granted by the Company to four key executive officers for the purchase of shares of common stock. At December 31, 2021 and 2020, options on 767,500 shares were outstanding and exercisable at prices ranging from $1.00 to $1.25. According to their terms, the options have no expiration date.