BUSINESS AND SUMMARY OF ACCOUNTING POLICIES (Details Textual) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2018	Dec. 31, 2017
Schedule Of Summary Of Accounting Policies [Line Items]
Selling Expense	$ 243,000		$ 457,000
Prior Period Reclassification Adjustment			$ 89,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent						35.00%
Scenario, Plan [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent					21.00%
Accounts Receivable [Member] | Home Depot [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Concentration Risk, Percentage			35.50%			31.00%
Sales Revenue, Net [Member] | Home Depot [Member]
Schedule Of Summary Of Accounting Policies [Line Items]
Concentration Risk, Percentage	24.80%	29.00%	24.20%	29.80%