DEBT (Details) (USD $)	12 Months Ended
Dec. 31, 2014 Lease	Dec. 31, 2013
Capital Leased Assets [Line Items]
Number of capital lease obligations equipments	2
Expiry period of capital lease obligations	Jun. 30, 2016
Summary of Future Minimum Payments Under Capital Lease [Abstract]
2015	$ 29,000
2016	9,000
Total minimum lease payments	38,000
Less: amounts representing interest	(2,000)
Net minimum lease payments	36,000
Current portion	27,000us-gaap_CapitalLeaseObligationsCurrent	187,000us-gaap_CapitalLeaseObligationsCurrent
Long-term portion	9,000	36,000
Gross book value of capital leased assets	646,000us-gaap_CapitalLeasedAssetsGross
Net book value of capital leased assets	$ 94,000
Minimum [Member]
Summary of Future Minimum Payments Under Capital Lease [Abstract]
Interest rate capital leases (in hundredths)	7.40%
Maximum [Member]
Summary of Future Minimum Payments Under Capital Lease [Abstract]
Interest rate capital leases (in hundredths)	8.90%

Represents expiration date of capital lease obligations.

No definition available.

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Namespace Prefix:	diri_
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- Definition

Element represents implied interest rate of capital lease.

+ References

No definition available.

+ Details

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- Definition

Represents number of capital lease obligations for equipment.

+ References

No definition available.

+ Details

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- Definition

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735

+ Details

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- Details

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- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher SEC

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-Number 210

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-Paragraph 22

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

+ Details

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- Definition

Amount of minimum lease payments for capital leases.

+ References

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- Definition

Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount necessary to reduce net minimum lease payments to present value for capital leases.

+ References

+ Details

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- Definition

Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

+ References

+ Details

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