Share-Based Compensation	3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]
Share-Based Compensation	(10) Share-Based Compensation We follow FASB ASC Topic 718, Compensation – Stock Compensation, in which compensation expense is recognized only for share-based payments expected to vest. We recognized compensation expense related to stock options of $42 and $52 for each of the three-month periods ended March 31, 2021 and 2020, respectively. As of March 31, 2021, there was approximately $206 of total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under our stock option plans. That cost is expected to be recognized over a remaining weighted-average period of 1.7 years. Stock Options and Stock Grants No stock options were exercised during the three months ended March 31, 2021, or March 31, 2020. No stock options were granted during the three months ended March 31, 2021, or March 31, 2020. During the three months ended March 31, 2021, 35,000 stock options expired, and no stock options were forfeited, compared to 241,000 stock options which expired, and 140,000 stock options which were forfeited during the same period in 2020. We had 3,411,000 stock options outstanding at a weighted average exercise price of $0.57 on March 31, 2021, compared to 3,332,000 stock options outstanding at a weighted average exercise price of $0.63 on March 31, 2020.

Share-Based Compensation

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

(10) Share-Based Compensation

We follow FASB ASC Topic 718, Compensation – Stock Compensation, in which compensation expense is recognized only for share-based payments expected to vest. We recognized compensation expense related to stock options of $42 and $52 for each of the three-month periods ended March 31, 2021 and 2020, respectively.

As of March 31, 2021, there was approximately $206 of total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under our stock option plans. That cost is expected to be recognized over a remaining weighted-average period of 1.7 years.

Stock Options and Stock Grants

No stock options were exercised during the three months ended March 31, 2021, or March 31, 2020. No stock options were granted during the three months ended March 31, 2021, or March 31, 2020. During the three months ended March 31, 2021, 35,000 stock options expired, and no stock options were forfeited, compared to 241,000 stock options which expired, and 140,000 stock options which were forfeited during the same period in 2020. We had 3,411,000 stock options outstanding at a weighted average exercise price of $0.57 on March 31, 2021, compared to 3,332,000 stock options outstanding at a weighted average exercise price of $0.63 on March 31, 2020.