Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Net Sales	$ 26,809	$ 26,847	$ 53,597	$ 52,244
Cost of Goods Sold	10,073	10,633	19,915	20,997
Gross Profit	16,736	16,214	33,682	31,247
Selling Expense	4,300	4,281	8,810	8,695
General and Administrative Expense	6,140	4,465	11,644	8,554
Engineering Expense	1,152	1,110	2,493	2,140
Operating Profit	5,144	6,358	10,735	11,858
Interest Income	236	94	456	145
Other Income (Expense)	(33)	(76)	5	(40)
Income Before Income Taxes	5,347	6,376	11,196	11,963
Income Tax Expense	1,325	1,564	2,743	2,948
Net Income	4,022	4,812	8,453	9,015
Less: Net Income attributable to the Noncontrolling Interest	(39)	(36)	(88)	(76)
Net Income attributable to Omega Flex, Inc.	$ 3,983	$ 4,776	$ 8,365	$ 8,939
Basic and Diluted Earnings per Common Share	$ 0.39	$ 0.47	$ 0.83	$ 0.89
Cash Dividends Declared per Common Share	$ 0.28	$ 0.46	$ 0.52	$ 0.46
Basic and Diluted Weighted-Average Shares Outstanding	10,091,832	10,091,822	10,091,827	10,091,822