Represents the amount of the amendment fee associated with a debt instrument.

No definition available.

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- Definition

Represents the maximum interest rate on a debt instrument before adding the basis spread.

+ References

No definition available.

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- Definition

Represents the automatic extension of the term of a guarantee agreement, if the maturity date of the associated debt instrument is subsequently amended.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- 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.

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- Definition

The amount of increase in the 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

No definition available.

+ Details

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Period Type:	instant

- Definition

As part of an amendment to a credit facility, the addition to the 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

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Cash fees associated with the amendment of a credit facility to increase the borrowing capacity.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Fees, calculated as a percentage of additional limit granted, associated with the amendment of a credit facility to increase the borrowing capacity.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility current ratio measures short term liquidity to any credit source extended to a government, business or individual by a bank or other financial institution.

+ References

No definition available.

+ Details

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Namespace Prefix:	dtrm_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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-Paragraph 1
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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
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-Subparagraph (bbb)(2)
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Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- 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.

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-SubTopic 10
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-Paragraph 4
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- 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

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- Definition

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

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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Balance Type:	debit
Period Type:	duration

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- Details

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Note 8 - Credit Facility and Convertible Notes (Details Textual)				9 Months Ended
	Nov. 16, 2018 USD ($)	Aug. 07, 2018 USD ($)	Jun. 14, 2018 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 21, 2018 USD ($) $ / shares shares	Aug. 06, 2018 USD ($)	Mar. 31, 2018 USD ($)
Proceeds from Debt, Net of Issuance Costs				$ 2,979,000
Long-term Line of Credit, Total				14,500,000				$ 12,100,000
Line of Credit Facility, Remaining Borrowing Capacity				$ 500,000				$ 900,000
Line of Credit Facility Current Ratio Covenant				2
Western Alliance Bank [Member] \| Line of Credit [Member]
Debt Instrument, Interest Rate, Maximum Interest Rate Before Basis Spread		5.00%	4.75%
Line of Credit Facility, Additional Borrowing Capacity		$ 2,000,000
Line of Credit Facility, Maximum Borrowing Capacity		15,000,000
Line of Credit Facility, Additional Limit Fees, Cash		$ 40,000
Line of Credit Facility, Additional Limit Fees, Percentage of Additional Limit		0.75%
The 2016 Notes, November Notes, and December Notes [Member]
Gain (Loss) on Extinguishment of Debt, Total				$ (300,000)
Investors [Member] \| December Notes Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights \| shares						10,500,000
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares						$ 0.01
MILFAM II L.P. [Member] \| Credit Facility Guarantee [Member]
Guarantee Agreement, Automatic Extension of Term			10 days
Guarantor Obligations, Fees		$ 100,000	$ 108,000
Guarantee Agreement, Monthly Fee, Percentage		10.00%	10.00%
Guarantor Obligations, Increase in Maximum Exposure, Undiscounted		$ 2,000,000
Guarantor Obligations, Maximum Exposure, Undiscounted		$ 4,000,000					$ 2,000,000
The Guarantors [Member] \| Credit Facility Guarantee [Member]
Guarantor Obligations, Fees			$ 200,000
Guarantee Agreement, Monthly Fee, Percentage			10.00%
November Notes [Member] \| Investors [Member]
Debt Instrument, Face Amount	$ 3,000,000
Debt Instrument, Maturity Date	Dec. 27, 2021
Debt Instrument, Amendment Fee	$ 500,000
Proceeds from Debt, Net of Issuance Costs	$ 500,000
November Notes [Member] \| Investors [Member] \| Other Noncurrent Liabilities [Member]
Debt Instrument, Amendment Fee				300,000
November Notes [Member] \| Investors [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage	10.00%
November Notes [Member] \| Investors [Member] \| Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.00%
December Notes [Member] \| Investors [Member]
Debt Instrument, Face Amount				$ 2,500,000		$ 2,500,000