Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income tax expense	$ 1,360,000	$ 1,307,000	$ 2,930,000	$ 2,275,000
Net income	$ 4,341,000	$ 3,308,000	$ 8,176,000	$ 5,750,000
Weighted average number of shares outstanding during the period
(Basic) (in shares)	14,501,399	14,120,617	14,426,060	14,023,840
(Diluted) (in shares)	15,040,431	14,957,469	14,985,063	14,813,064
Basic
Net income (in dollars per share)	$ 0.30	$ 0.23	$ 0.57	$ 0.41
Diluted
Net income (in dollars per share)	$ 0.29	$ 0.22	$ 0.55	$ 0.39
Other comprehensive income, net of tax:
Recognition of net losses included in net periodic pension costs	$ 147,000	$ 171,000	$ 323,000	$ 342,000
Recognition of settlement loss included in net periodic pension costs	173,000	33,000	173,000	198,000
Gain (loss) on cash flow hedging activities	(52,000)	21,000	(180,000)	6,000
Foreign currency translation adjustments	(43,000)	173,000	7,000	294,000
Other comprehensive income	225,000	398,000	323,000	840,000
Comprehensive income	$ 4,566,000	$ 3,706,000	$ 8,499,000	$ 6,590,000
Cash dividends per common share (in dollars per share)	$ 0.0875	$ 0.0825	$ 0.175	$ 0.165
Net sales	$ 65,604,000	$ 64,660,000	$ 126,591,000	$ 122,628,000
Costs and expenses:
Cost of goods sold	42,230,000	42,897,000	81,003,000	80,844,000
Selling and administrative expenses	17,478,000	16,956,000	35,121,000	33,419,000
Interest expense	195,000	192,000	379,000	340,000
	59,903,000	60,045,000	116,503,000	114,603,000
Gain on sale of property, plant and equipment			1,018,000
Income before taxes on income	$ 5,701,000	$ 4,615,000	$ 11,106,000	$ 8,025,000