BUSINESS AND SUMMARY OF ACCOUNTING POLICIES - Retail automotive industrial and aerospace (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 15,742,000	$ 14,021,000
Florida Pneumatic
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 9,924,000	$ 10,281,000
Percentage of revenue	100.00%	100.00%
Increase (decrease)		$ (357,000)
Percentage of Increase (decrease)		(3.50%)
Florida Pneumatic | Automotive
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 3,259,000	$ 3,881,000
Percentage of revenue	32.80%	37.70%
Increase (decrease)		$ (622,000)
Percentage of Increase (decrease)		(16.00%)
Florida Pneumatic | Retail
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 2,550,000	$ 3,020,000
Percentage of revenue	25.70%	29.50%
Increase (decrease)		$ (470,000)
Percentage of Increase (decrease)		(15.60%)
Florida Pneumatic | Industrial
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 1,578,000	$ 1,444,000
Percentage of revenue	15.90%	14.00%
Increase (decrease)		$ 134,000
Percentage of Increase (decrease)		9.30%
Florida Pneumatic | Aerospace
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 2,411,000	$ 1,777,000
Percentage of revenue	24.30%	17.30%
Increase (decrease)		$ 634,000
Percentage of Increase (decrease)		35.70%
Florida Pneumatic | Other
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 126,000	$ 159,000
Percentage of revenue	1.30%	1.50%
Increase (decrease)		$ (33,000)
Percentage of Increase (decrease)		(20.80%)
Hy-Tech
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 5,818,000	$ 3,740,000
Percentage of revenue	100.00%	100.00%
Increase (decrease)		$ 2,078,000
Percentage of Increase (decrease)		55.60%
Hy-Tech | Other
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 115,000	$ 93,000
Percentage of revenue	2.00%	2.50%
Increase (decrease)		$ 22,000
Percentage of Increase (decrease)		23.70%
Hy-Tech | OEM
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 3,073,000	$ 1,965,000
Percentage of revenue	52.80%	52.60%
Increase (decrease)		$ 1,108,000
Percentage of Increase (decrease)		56.40%
Hy-Tech | PTG
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 1,933,000	$ 940,000
Percentage of revenue	33.20%	25.10%
Increase (decrease)		$ 993,000
Percentage of Increase (decrease)		105.60%
Hy-Tech | ATP
BUSINESS AND SUMMARY OF ACCOUNTING POLICIES
Revenues	$ 697,000	$ 742,000
Percentage of revenue	12.00%	19.80%
Increase (decrease)		$ (45,000)
Percentage of Increase (decrease)		(6.10%)