Note 6 - STOCKHOLDERS EQUITY (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended			9 Months Ended		22 Months Ended
	Apr. 11, 2022	Jun. 04, 2020	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Apr. 10, 2022
Treasury Stock, Value, Acquired, Cost Method			$ 16,693	$ 5,778	$ 4,523
The 2020 Stock Repurchase Program [Member]
Treasury Stock, Shares, Acquired (in shares)						218,858	251,212	470,070
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)						$ 26.40	$ 18.01	$ 21.91
Treasury Stock, Value, Acquired, Cost Method						$ 5,800	$ 4,500	$ 10,300
Stock Repurchase Program, Authorized Amount		$ 25,000
Stock Repurchase Program, Period in Force (Year)		2 years
Stock Repurchase Program 2022 [Member]
Treasury Stock, Shares, Acquired (in shares)						714,600
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)						$ 23.36
Treasury Stock, Value, Acquired, Cost Method						$ 16,700
Stock Repurchase Program, Authorized Amount	$ 35,000
Stock Repurchase Program, Period in Force (Year)	2 years