Note 17 - Revisions of Previously Issued Unaudited Consolidated Financial Statements (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Condensed Balance Sheet [Table Text Block]

Consolidated Balance Sheets
	March 31, 2022								March 31, 2021
	Previously								Previously
	Reported		Adjustments			Revised			Reported		Adjustments			Revised
Assets
Equity investment in unconsolidated affiliate	$	6,169,000	$	(1,022,000	)	$	5,147,000		$	5,871,000	$	(881,000	)	$	4,990,000
Total assets	$	67,769,000	$	(1,022,000	)	$	66,747,000		$	68,454,000	$	(881,000	)	$	67,573,000
Shareholders' equity:
Retained earnings	$	63,311,000	$	-		$	63,311,000		$	61,648,000	$	-		$	61,648,000
Accumulated other comprehensive loss		-		(1,022,000	)		(1,022,000	)		-		(881,000	)		(881,000	)
Total shareholders' equity		63,441,000		(1,022,000	)		62,419,000			61,782,000		(881,000	)		60,901,000
Total liabilities and shareholders' equity	$	67,769,000	$	(1,022,000	)	$	66,747,000		$	68,454,000	$	(881,000	)	$	67,573,000

Consolidated Balance Sheets
	June 30, 2022								June 30, 2021
	Previously								Previously
	Reported		Adjustments			Revised			Reported		Adjustments			Revised
Assets
Equity investment in unconsolidated affiliate	$	6,219,000	$	(1,287,000	)	$	4,932,000		$	6,059,000	$	(802,000	)	$	5,257,000
Total assets	$	67,981,000	$	(1,287,000	)	$	66,694,000		$	67,606,000	$	(802,000	)	$	66,804,000
Shareholders' equity:
Retained earnings	$	63,108,000	$	-		$	63,108,000		$	62,130,000	$	-		$	62,130,000
Accumulated other comprehensive loss		-		(1,287,000	)		(1,287,000	)		-		(802,000	)		(802,000	)
Total shareholders' equity		63,236,000		(1,287,000	)		61,949,000			62,262,000		(802,000	)		61,460,000
Total liabilities and shareholders' equity	$	67,981,000	$	(1,287,000	)	$	66,694,000		$	67,606,000	$	(802,000	)	$	66,804,000

Consolidated Balance Sheets
	September 30, 2022								September 30, 2021
	Previously								Previously
	Reported		Adjustments			Revised			Reported		Adjustments			Revised
Assets
Equity investment in unconsolidated affiliate	$	6,207,000	$	(1,424,000	)	$	4,783,000		$	6,172,000	$	(989,000	)	$	5,183,000
Total assets	$	66,505,000	$	(1,424,000	)	$	65,081,000		$	68,014,000	$	(989,000	)	$	67,025,000
Shareholders' equity:
Retained earnings	$	62,559,000	$	-		$	62,559,000		$	62,596,000	$	-		$	62,596,000
Accumulated other comprehensive loss		-		(1,424,000	)		(1,424,000	)		-		(989,000	)		(989,000	)
Total shareholders' equity		62,685,000		(1,424,000	)		61,261,000			62,728,000		(989,000	)		61,739,000
Total liabilities and shareholders' equity	$	66,505,000	$	(1,424,000	)	$	65,081,000		$	68,014,000	$	(989,000	)	$	67,025,000

Comprehensive Income (Loss) [Table Text Block]

Consolidated Statements of Comprehensive Income
	Three Months ended March 31, 2022								Three Months ended March 31, 2021
	Previously								Previously
	Reported		Adjustments			Revised			Reported		Adjustments			Revised
Net Income	$	1,522,000	$	-		$	1,522,000		$	3,719,000	$	-		$	3,719,000
Other comprehensive loss- foreign currency translation loss		-		(152,000	)		(152,000	)		-		(108,000	)		(108,000	)
Comprehensive income	$	1,522,000	$	(152,000	)	$	1,370,000		$	3,719,000	$	(108,000	)	$	3,611,000

Consolidated Statements of Comprehensive Income
	Three Months ended June 30, 2022								Three Months ended June 30, 2021
	Previously								Previously
	Reported		Adjustments			Revised			Reported		Adjustments		Revised
Net Income	$	693,000	$	-		$	693,000		$	1,671,000	$	-	$	1,671,000
Other comprehensive income (loss) - foreign currency translation gain (loss)		-		(265,000	)		(265,000	)		-		79,000		79,000
Comprehensive income	$	693,000	$	(265,000	)	$	428,000		$	1,671,000	$	79,000	$	1,750,000

Consolidated Statements of Comprehensive Income
	Six Months ended June 30, 2022								Six Months ended June 30, 2021
	Previously								Previously
	Reported		Adjustments			Revised			Reported		Adjustments			Revised
Net Income	$	2,215,000	$	-		$	2,215,000		$	5,390,000	$	-		$	5,390,000
Other comprehensive loss- foreign currency translation loss		-		(417,000	)		(417,000	)		-		(29,000	)		(29,000	)
Comprehensive income	$	2,215,000	$	(417,000	)	$	1,798,000		$	5,390,000	$	(29,000	)	$	5,361,000

Consolidated Statements of Comprehensive Income
	Three Months ended September 30, 2022								Three Months ended September 30, 2021
	Previously								Previously
	Reported		Adjustments			Revised			Reported		Adjustments			Revised
Net Income	$	503,000	$	-		$	503,000		$	766,000	$	-		$	766,000
Other comprehensive loss- foreign currency translation loss		-		(137,000	)		(137,000	)		-		(187,000	)		(187,000	)
Comprehensive income	$	503,000	$	(137,000	)	$	366,000		$	766,000	$	(187,000	)	$	579,000

Consolidated Statements of Comprehensive Income
	Nine Months ended September 30, 2022								Nine Months ended September 30, 2021
	Previously								Previously
	Reported		Adjustments			Restated			Reported		Adjustments			Revised
Net Income	$	2,718,000	$	-		$	2,718,000		$	6,156,000	$	-		$	6,156,000
Other comprehensive loss- foreign currency translation loss		-		(554,000	)		(554,000	)		-		(216,000	)		(216,000	)
Comprehensive income	$	2,718,000	$	(554,000	)	$	2,164,000		$	6,156,000	$	(216,000	)	$	5,940,000