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Stock-based Compensation (Tables)
 3 Months Ended
Mar. 31, 2020
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity
The following table summarizes stock option activity for the three-month periods ended March 31, 2020 and 2019:
Stock
Options		Grant Date
Weighted-
Average
Exercise
Price		Weighted-
Average
Remaining
Contractual
Life (in
Years)		Intrinsic
Value
Outstanding at January 1, 2020450,000  $2.78  2.44$27,000  
Outstanding at March 31, 2020450,000  $2.78  2.20$—  
Exercisable at March 31, 2020425,000  $2.79  2.00$—  
Outstanding at January 1, 2019613,000  $2.85  3.14$—  
Outstanding at March 31, 2019613,000  $2.85  2.43$34,000  
Exercisable at March 31, 2019489,000  $2.87  2.31$—