SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Taxes
Foreign tax rate, low end of range (as a percent)	20.00%
Foreign tax rate, high end of range (as a percent)	35.00%
Financial statement benefit from change in federal tax laws	$ 914
Basic earnings per share:
Net income attributable to DMC	1,638	215
Less income allocated to RSAs	(34)	(2)
Net income allocated to common stock for EPS calculation	1,604	213
Shares, basic	13,644,239	13,509,792
EPS, basic (in dollars per share)	$ 0.12	$ 0.02
Adjust shares for dilutives: Stock-based compensation plans	5,714	4,005
Diluted earnings per share:
Net income attributable to DMC	1,638	215
Less income allocated to RSAs	(34)	(2)
Net income allocated to common stock for EPS calculation	$ 1,604	$ 213
Shares, diluted	13,649,953	13,513,797
EPS, diluted (in dollars per share)	$ 0.12	$ 0.02