BUSINESS AND SUMMARY OF ACCOUNTING POLICIES - Additional information (Details)		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 20, 2020 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) item $ / product	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Schedule Of Summary Of Accounting Policies [Line Items]
Net (loss) income		$ (857,000)	$ 136,000	$ (3,996,000)	$ 5,798,000
Cash flow from operating activities				2,025,000	(2,221,000)
Working capital				20,997,000
Operating Lease, Right-of-Use Asset		3,460,000		3,460,000		$ 3,859,000
Operating Lease, Liability		$ 3,491,000		3,491,000
Operating Lease, Expense				$ 675,000	$ 363,000
Accounts Receivable [Member] | Home Depot [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Concentration Risk, Percentage				39.20%		27.20%
Sales Revenue, Net [Member] | Home Depot [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Concentration Risk, Percentage		30.00%	25.70%	21.80%	20.80%
Short-term Debt [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity		$ 11,800,000		$ 11,800,000		$ 9,200,000
Florida Pneumatic [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Number Of Types Of Pneumatic Hand Tools Imported Or Manufactured | item				75
Florida Pneumatic [Member] | Minimum [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Sale Price Per Product | $ / product				50
Florida Pneumatic [Member] | Maximum [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Sale Price Per Product | $ / product				1,000
Hy-Tech [Member] | Minimum [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Sale Price Per Product | $ / product				300
Hy-Tech [Member] | Maximum [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Sale Price Per Product | $ / product				42,000
Payroll Protection Program
Schedule Of Summary Of Accounting Policies [Line Items]
Loan received	$ 2,900,000