ACQUISITIONS (Details) In Thousands, except Share data, unless otherwise specified	0 Months Ended	12 Months Ended				0 Months Ended	12 Months Ended		0 Months Ended	12 Months Ended		0 Months Ended	12 Months Ended
	Apr. 30, 2010 item	Dec. 31, 2012 USD ($)	Dec. 31, 2012 EUR (€)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jan. 03, 2012 TRX USD ($)	Dec. 31, 2012 TRX Customer relationships	Jan. 03, 2012 TRX Customer relationships USD ($)	Jun. 04, 2010 AECO USD ($)	Dec. 31, 2012 AECO Customer relationships	Jun. 04, 2010 AECO Customer relationships USD ($)	Apr. 30, 2010 Russian Joint Ventures USD ($) item	Dec. 31, 2012 Russian Joint Ventures Customer relationships	Apr. 30, 2010 Russian Joint Ventures Customer relationships USD ($)	Apr. 30, 2010 DYNAEnergetics RUS	Apr. 30, 2010 Perfoline
Acquisitions
Cash paid for acquisition		$ 10,294				$ 10,294
Purchase value									6,921			5,598
Cash paid for acquisition					3,620				3,620
Number of DMC common stock issued for acquisition (in shares)									222,445
Value of DMC common stock issued for acquisition									3,301
Number of Russian joint ventures in which outstanding minority-owned interests were purchased	2											2
Cash paid for remaining outstanding shares of subsidiaries					2,065							2,065
Outstanding stakes acquired (as a percent)															45.00%	34.81%
Ownership interest prior to the acquisition date (as a percent)															55.00%	65.19%
Acquisition date fair value of the previous equity interest												3,533
Gain as a result of revaluing prior equity interest held before the acquisition to fair value as of the acquisition date					2,117							2,117
Allocation of the purchase price
Current assets						2,702			5,792			5,243
Property, plant and equipment						2,227			368			411
Intangible assets						5,365		5,365	4,773		4,773	3,669		3,669
Deferred tax assets						40			7			12
Other assets									81			56
Total assets acquired						10,334			11,021			9,391
Current liabilities						40			4,100
Line of credit												36
Other current liabilities												2,547
Deferred tax liabilities												813
Other long term liabilities												397
Total liabilities assumed						40			4,100			3,793
Net assets acquired						10,294			6,921			5,598
Acquired identifiable finite-lived intangible assets
Amortization period							6 years			11 years			11 years
Pro Forma Statement of Operations
Borrowings to fund the acquisition		10,000	1,500
Net sales				216,014	165,624
Income from operations				20,022	7,019
Net income attributable to DMC				$ 13,549	$ 4,985
Net income per share:
Basic (in dollars per share)				$ 1.01	$ 0.38
Diluted (in dollars per share)				$ 1.01	$ 0.38