COMMON STOCK AND STOCK OPTIONS, Common Stock, Preferred Stock and Stock Options (Details)	12 Months Ended
	Dec. 31, 2022 Plan shares	Dec. 31, 2021 shares	Dec. 31, 2020 shares
Share-based Compensation Arrangement [Abstract]
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock, outstanding (in shares)	0	0
Number of stock option plans | Plan	2
Stock Options [Member]
Share-based Compensation Arrangement [Abstract]
Common stock authorized reserved for future issuance (in shares)	627,600	568,650
Number of share options outstanding (in shares)	627,600	568,650	575,750
Long-Term Incentive Plan 2009 [Member]
Share-based Compensation Arrangement [Abstract]
Number of shares authorized for issuance (in shares)	1,000,000
Long-Term Incentive Plan 2009 [Member] | Stock Options [Member]
Share-based Compensation Arrangement [Abstract]
Number of share options outstanding (in shares)	311,000	356,100
Options expiration period from grant date, maximum	10 years
Award requisite service period	4 years
Long-Term Incentive Plan 2020 [Member]
Share-based Compensation Arrangement [Abstract]
Number of shares authorized for issuance (in shares)	1,000,000
Long-Term Incentive Plan 2020 [Member] | Stock Options [Member]
Share-based Compensation Arrangement [Abstract]
Number of share options outstanding (in shares)	316,600	212,550
Options expiration period from grant date, maximum	10 years
Award requisite service period	4 years