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Stock Options and Other Compensation
12 Months Ended
Dec. 31, 2020
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, 20
20
and 20
19
, 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.