CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-In Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Other Cumulative Comprehensive Loss	Treasury Stock
Beginning balances (in shares) at Dec. 31, 2017			14,821,801					39,783
Beginning balances at Dec. 31, 2017	$ 105,780	$ (65)	$ 741	$ 76,146	$ 60,074	$ (65)	$ (30,819)	$ 362
Increase (Decrease) in Stockholders' Equity
Net (loss) income	30,473				30,473
Change in cumulative foreign currency translation adjustment	(4,195)						(4,195)
Reclassification of DynaEnergetics Siberia cumulative translation loss to Statement of Operations upon substantial liquidation	0
Shares issued in connection with stock compensation plans (in shares)			166,161
Shares issued in connection with stock compensation plans	442		$ 8	434
Stock-based compensation	3,497			3,497
Dividends declared	(1,191)				(1,191)
Treasury stock activity (in shares)								(42,403)
Treasury stock activity	(455)							$ (455)
Ending balances (in shares) at Dec. 31, 2018			14,987,962					82,186
Ending balances at Dec. 31, 2018	134,286		$ 749	80,077	89,291		(35,014)	$ 817
Increase (Decrease) in Stockholders' Equity
Net (loss) income	34,041				34,041
Change in cumulative foreign currency translation adjustment	(1,209)						(1,209)
Reclassification of DynaEnergetics Siberia cumulative translation loss to Statement of Operations upon substantial liquidation	10,420						10,420
Shares issued in connection with stock compensation plans (in shares)			129,245					7,502
Shares issued in connection with stock compensation plans	557		$ 7	550
Stock-based compensation	5,012			5,012
Dividends declared	(4,330)				(4,330)
Treasury stock activity (in shares)								(389,848)
Treasury stock activity	(6,636)							$ (6,636)
Ending balances (in shares) at Dec. 31, 2019			15,117,207					464,532
Ending balances at Dec. 31, 2019	$ 172,141	$ (50)	$ 756	85,639	119,002	$ (50)	(25,803)	$ 7,453
Increase (Decrease) in Stockholders' Equity
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member
Net (loss) income	$ (1,412)				(1,412)
Change in cumulative foreign currency translation adjustment	2,841						2,841
Reclassification of DynaEnergetics Siberia cumulative translation loss to Statement of Operations upon substantial liquidation	0
Shares issued in connection with at-the-market offering program (in shares)			608,360
Shares issued in connection with at-the-market offering program	25,740		$ 30	25,710
Shares issued in connection with stock compensation plans (in shares)			191,992
Shares issued in connection with stock compensation plans	431		$ 10	421
Stock-based compensation	5,608			5,608
Dividends declared	(1,883)				(1,883)
Treasury stock activity (in shares)								(63,742)
Treasury stock activity	(6,502)			9				$ (6,511)
Ending balances (in shares) at Dec. 31, 2020			15,917,559					528,274
Ending balances at Dec. 31, 2020	$ 196,914		$ 796	$ 117,387	$ 115,657		$ (22,962)	$ 13,964