Debt Instrument, Covenant, Future Minimum EBITDA Amount, Next Nine Months

No definition available.

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Namespace Prefix:	hh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Covenant, Future Minimum EBITDA Amount, Next Twelve Months

+ References

No definition available.

+ Details

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Namespace Prefix:	hh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Covenant, Future Minimum EBITDA, Next Six Months

+ References

No definition available.

+ Details

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

- Definition

Debt Instrument, Covenant, Maximum Borrowing Base

+ References

No definition available.

+ Details

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

- Definition

Debt Instrument, Covenant, Maximum Percent of Borrowing Base

+ References

No definition available.

+ Details

Name:	hh_DebtInstrumentCovenantMaximumPercentofBorrowingBase
Namespace Prefix:	hh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Covenant, Minimum Percent of Aggregate Unbilled Eligible Receivables

+ References

No definition available.

+ Details

Name:	hh_DebtInstrumentCovenantMinimumPercentofAggregateUnbilledEligibleReceivables
Namespace Prefix:	hh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The monetary amount of annual fee associated with line of credit facility.

+ References

No definition available.

+ Details

Name:	hh_LineOfCreditFacilityAnnualFee
Namespace Prefix:	hh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line of Credit Facility, Early Termination Fee, Percentage

+ References

No definition available.

+ Details

Name:	hh_LineofCreditFacilityEarlyTerminationFeePercentage
Namespace Prefix:	hh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The contractual maximum of borrowings as defined by a percentage of eligible receivables, with consideration of all undrawn/unexpired letters of credit.

+ References

No definition available.

+ Details

Name:	hh_LineOfCreditFacilityLoanMaximumDefinedBasedOnEligibleReceivable
Namespace Prefix:	hh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Loan Maximum Defined, Based on Eligible Receivable, Reserve

+ References

No definition available.

+ Details

Name:	hh_LineofCreditFacilityLoanMaximumDefinedBasedonEligibleReceivableReserve
Namespace Prefix:	hh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Loan and Security Agreement, Life of Agreement

+ References

No definition available.

+ Details

Name:	hh_LoanAndSecurityAgreementLifeOfAgreement
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

+ Details

Name:	us-gaap_DebtIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

+ Details

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

- 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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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

- Definition

Average amount borrowed under the credit facility during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityAverageOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of the fee for available but unused credit capacity under the credit 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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
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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

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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

- Details

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- Details

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- Details

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Loan and Security Agreements (Details) (USD $)	12 Months Ended
Loan and Security Agreements (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jul. 09, 2014	Mar. 27, 2015
Loan and Security Agreements [Line Items]
Minimum Percent of aggregate unbilled eligible receivables				50.00%
Deferred financing costs	$ 400,000us-gaap_DeferredFinanceCostsNet
2013 Loan and Security Agreement [Member]
Loan and Security Agreements [Line Items]
Maximum borrowing capacity under Loan and Security Agreement	10,000,000
Loan maximum defined, based on eligible receivables	85.00%
Reserve on eligible borrowings	500,000
Net borrowings	2,600,000
Borrowings outstanding under Loan and Security Agreement	0
Minimum Percent of aggregate unbilled eligible receivables				50.00%
Maximum borrowing base				2,500,000
Maximum percent of borrowing base				50.00%
Interest rate, stated percentage	6.00%
Commitment fee		100,000
Other issue costs		900,000
Unused Capacity, Commitment Fee Percentage	1.50%
Unused line fee	200,000	100,000
Early termination fee if termination occurs prior to February 28, 2016	2.00%
Life of agreement	3 years
2013 Loan and Security Agreement [Member] \| Prime rate [Member]
Loan and Security Agreements [Line Items]
Spread on variable rate	2.75%
2013 Loan and Security Agreement [Member] \| LIBOR 90 day rate [Member]
Loan and Security Agreements [Line Items]
Spread on variable rate	5.25%
2009 Loan and Security Agreement [Member]
Loan and Security Agreements [Line Items]
Unused line fee			100,000
Annual Fee			100,000
Subsequent Event [Member] \| 2013 Loan and Security Agreement [Member]
Loan and Security Agreements [Line Items]
Reserve on eligible borrowings					2,000,000
Debt covenant, future minimum EBITDA amount for next 6 months					(2,500,000)
Debt covenant, future minimum EBITDA amount for next nine months					(2,250,000)
Debt covenant, future minimum EBITDA amount for next twelve months					$ (2,000,000)