The percentage of the initial guaranteed loan that is considered the monthly fee paid to the grantor.

No definition available.

Name:	dtrm_GuaranteeAgreementMonthlyFeePercentage
Namespace Prefix:	dtrm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the term of the guarantee agreement.

+ References

No definition available.

+ Details

Name:	dtrm_GuaranteeAgreementTerm
Namespace Prefix:	dtrm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The monetary amount of any assets held either as collateral or by third parties that, upon the occurrence of any triggering event or condition under the guarantee, the guarantor can obtain and liquidate to recover all or a portion of the amounts paid under the guarantee.

+ References

No definition available.

+ Details

Name:	dtrm_GuarantorObligationsCollateralHeldDirectlyOrByThirdParties1
Namespace Prefix:	dtrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The fees amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

No definition available.

+ Details

Name:	dtrm_GuarantorObligationsFees
Namespace Prefix:	dtrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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

- 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

- Details

Name:	us-gaap_GuaranteeObligationsByNatureAxis=dtrm_CreditFacilityGuaranteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=dtrm_LargestStockholderAndMILFAMIILPAffiliateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=dtrm_WesternAllianceBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 16 - Subsequent Events (Details Textual) - USD ($)	Jan. 23, 2017	Jan. 22, 2017	Mar. 11, 2015
Credit Facility Guarantee [Member] \| Largest Stockholder and MILFAM II L.P. (Affiliate) [Member]
Guarantor Obligations, Maximum Exposure, Undiscounted			$ 3,000,000
Subsequent Event [Member] \| Credit Facility Guarantee [Member] \| Largest Stockholder and MILFAM II L.P. (Affiliate) [Member]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 4,000,000	$ 3,000,000
Guarantee Agreement Term	2 years
Guarantor Obligations, Fees	$ 50,000
Guarantee Agreement, Monthly Fee, Percentage	10.00%
Subsequent Event [Member] \| Western Alliance Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 13,000,000
Subsequent Event [Member] \| Western Alliance Bank [Member] \| Credit Facility Guarantee [Member] \| Largest Stockholder and MILFAM II L.P. (Affiliate) [Member]
Guarantor Obligations, Collateral Held Directly or by Third Parties1	$ 1,000,000