RESTATEMENT OF PREVIOUSLY-ISSUED FINANCIAL STATEMENTS - Consolidated Statements of Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended							6 Months Ended		9 Months Ended		12 Months Ended						3 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2014
Net income including non-controlling interest	$ 2,342	$ 2,316	$ 1,487	$ 101	$ 3,233	$ 3,082	$ 135	$ 3,803	$ 3,216	$ 6,142	$ 6,448	$ 2,567	[1]	$ 6,551	[1]	$ 10,775	[1]
Change in cumulative foreign currency translation adjustment	(10,647)	744	(2,454)		4,150	443	(3,619)	(1,710)	(3,175)	(12,354)	976	(22,612)	[1]	2,619	[1]	2,606	[1]
Total comprehensive income (loss)	(8,305)	3,060	(967)		7,383	3,525	(3,484)	2,093	41	(6,212)	7,424	(20,045)		9,170		13,381
Comprehensive income attributable to non-controlling interest	0	0	0		55	16	25	0	41	0	96	0		96		1
Comprehensive income (loss) attributable to Dynamic Materials Corporation	(8,305)	3,060	(967)		7,328	3,509	(3,509)	2,093	0	(6,212)	7,328	(20,045)		9,074		13,380
As Reported
Net income including non-controlling interest	2,498	2,887	1,638	277	3,611	3,455	243	4,525	3,698	7,021	7,308			7,587		11,694		(3,578)
Change in cumulative foreign currency translation adjustment	(10,701)	741	(2,233)		4,183	446	(3,627)	(1,492)	(3,181)	(12,191)	1,003			2,237		2,796
Total comprehensive income (loss)	(8,203)	3,628	(595)		7,794	3,901	(3,384)	3,033	517	(5,170)	8,311			9,824		14,490
Comprehensive income attributable to non-controlling interest	0	0	0		55	16	25	0	41	0	96			96		1
Comprehensive income (loss) attributable to Dynamic Materials Corporation	(8,203)	3,628	(595)		7,739	3,885	(3,409)	3,033	476	(5,170)	8,215			9,728		14,489
Adjustments
Net income including non-controlling interest	(156)	(571)	(151)	(176)	(378)	(373)	(108)	(722)	(482)	(879)	(860)			(1,036)		(919)
Change in cumulative foreign currency translation adjustment	54	3	(221)		(33)	(3)	8	(218)	6	(163)	(27)			382		(190)
Total comprehensive income (loss)	(102)	(568)	(372)		(411)	(376)	(100)	(940)	(476)	(1,042)	(887)			(654)		(1,109)
Comprehensive income attributable to non-controlling interest	0	0	0		0	0	0	0	0	0	0			0		0
Comprehensive income (loss) attributable to Dynamic Materials Corporation	$ (102)	$ (568)	$ (372)		$ (411)	$ (376)	$ (100)	$ (940)	$ (476)	$ (1,042)	$ (887)			$ (654)		$ (1,109)

[1] Restated