Consolidated Statements of Comprehensive Income (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales	$ 30,985,000	$ 28,508,000
Costs and expenses:
Cost of goods sold	19,672,000	19,046,000
Selling and administrative expenses	9,557,000	8,914,000
Interest expense	7,000	11,000
	29,236,000	27,971,000
Income before taxes on income	1,749,000	537,000
Income tax expense	520,000	210,000
Net income	1,229,000	327,000
(Basic) (in Shares)	6,121,180	6,025,874
(Diluted) (in Shares)	6,169,475	6,142,616
Basic
Net income (in Dollars per share)	$ 0.20	$ 0.05
Diluted
Net income (in Dollars per share)	$ 0.20	$ 0.05
Defined benefit pension plans:
Amortization of prior service costs included in net periodic pension costs	2,000	3,000
Recognition of net losses included in net periodic pension costs	190,000	158,000
Other comprehensive income	192,000	161,000
Comprehensive income	$ 1,421,000	$ 488,000
Cash dividends per common share (in Dollars per share)		$ 0.135