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STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2022
Stock Repurchase Program
Repurchases of common stock - net	$ 1,455,000	$ 3,418,000
Stock Repurchase Program
Stock Repurchase Program
Remaining value of common shares authorized for repurchase	$ 6,045,000		$ 6,045,000
Number of shares repurchased	73,000	133,000	73,000	133,000
Repurchases of common stock - net	$ 1,455,000	$ 3,392,000	$ 1,455,000	$ 3,392,000
Payment of commissions on sale of shares	$ 4,000	$ 8,000	$ 4,000	$ 8,000
Stock Repurchase Program, September 2022
Stock Repurchase Program
Value of common shares authorized for repurchase					$ 7,500,000

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The cash outflow for commissions incurred directly with the issuance of an equity security.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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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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