Line of Credit Facility, Accordion Feature

No definition available.

Name:	boom_LineofCreditFacilityAccordionFeature
Namespace Prefix:	boom_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=boom_SyndicatedCreditFacility2015Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=boom_SyndicatedCreditAgreementUSDollarRevolvingLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=boom_RevolvingCreditFacilityUSDollarsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=boom_RevolvingCreditFacilityAlternateCurrenciesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=boom_CommerzbankLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DEBT - Narrative (Details) - Credit Facility	3 Months Ended
DEBT - Narrative (Details) - Credit Facility	Mar. 31, 2017 USD ($)	Mar. 31, 2017 EUR (€)	Dec. 31, 2016 USD ($)
Syndicated Credit Facility 2015 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 35,000,000		$ 75,000,000
Accordion feature	100,000,000		100,000
Syndicated Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity			65,000,000
U.S. Dollar revolving loan
Debt Instrument [Line Items]
Maximum borrowing capacity	30,000,000
Alternate currencies revolving loan
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 5,000,000		$ 10,000,000
Alternate currencies revolving loan \| Minimum \| Euro Interbank Offered Rate (EURIBOR)
Debt Instrument [Line Items]
Basis spread on variable interest rate	1.75%
Alternate currencies revolving loan \| Maximum \| Euro Interbank Offered Rate (EURIBOR)
Debt Instrument [Line Items]
Basis spread on variable interest rate	3.25%
German line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		€ 4,000,000
Available borrowing capacity \| €		€ 2,558,000