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STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($)	1 Months Ended	3 Months Ended				9 Months Ended
	Oct. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Nov. 01, 2023
Stock Repurchase Program
Repurchases of common stock - net		$ 5,144,000	$ 1,455,000	$ 1,822,000	$ 3,418,000
Stock Repurchase Program, September 2022
Stock Repurchase Program
Value of common shares authorized for repurchase				$ 7,720,000			$ 7,720,000
Remaining number of common shares authorized for repurchase								0
Number of shares repurchased	62,000	262,000		75,000		335,000	208,000
Repurchases of common stock - net	$ 1,122,000	$ 5,144,000		$ 1,822,000		$ 6,599,000	$ 5,214,000
Payment of commissions on sale of shares	4,000	$ 16,000		$ 5,000		$ 20,000	$ 12,000
Stock Repurchase Program, October 2023
Stock Repurchase Program
Value of common shares authorized for repurchase	$ 10,000,000
Remaining value of common shares authorized for repurchase								$ 8,655,000
Number of shares repurchased	71,000
Repurchases of common stock - net	$ 1,345,000
Payment of commissions on sale of shares	$ 4,000

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Amount of stock repurchase plan authorized.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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