Contingent forward purchase contract amount.

No definition available.

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- Definition

Contingent forward purchase contract shares.

+ References

No definition available.

+ Details

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- Definition

Underwriting Discount Differed Amount

+ References

No definition available.

+ Details

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- Definition

Underwriting discount differed percentage.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Underwriting discount paid in cash percentage.

+ References

No definition available.

+ Details

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- Definition

Underwriting discount percentage.

+ References

No definition available.

+ Details

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- Definition

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

No definition available.

+ Details

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

- Definition

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

+ Details

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Period Type:	duration

- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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- Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount paid to managing member or general partner for management of the day-to-day business functions of the limited liability company (LLC) or limited partnership (LP).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Cash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

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Balance Type:	credit
Period Type:	duration

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
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Period Type:	instant

- Details

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- Details

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COMMITMENTS & CONTINGENCIES (Details Textual) (USD $)	3 Months Ended	1 Months Ended
COMMITMENTS & CONTINGENCIES (Details Textual) (USD $)	Mar. 31, 2015	Oct. 24, 2014	Oct. 29, 2014
Gain Contingencies [Line Items]
Share Price			$ 10.00us-gaap_SharePrice
Underwriting Discount Percentage	6.00%hdrau_UnderwritingDiscountPercentage
Underwriting Discount Paid in Cash Percentage	2.50%
Underwriting Discount Differed Percentage			3.50%
Payments for Underwriting Expense	$ 2,000,000us-gaap_PaymentsForUnderwritingExpense
Underwriting Discount Differed Amount			2,800,000
IPO [Member]
Gain Contingencies [Line Items]
Share Price			$ 10.00
Private Placement Warrants [Member]
Gain Contingencies [Line Items]
Share Price	$ 0.50
Loans Payable [Member]
Gain Contingencies [Line Items]
Debt Instrument, Face Amount	500,000
Debt Conversion, Original Debt, Amount	1,000,000
Lorne Weil, Inc [Member]
Gain Contingencies [Line Items]
Share Price	$ 10.00
Hydra Industries Sponsor LLC [Member]
Gain Contingencies [Line Items]
Payment for Management Fee		10,000
Hydra Industries Sponsor LLC [Member] \| Loans Payable [Member]
Gain Contingencies [Line Items]
Debt Instrument, Face Amount	250,000
Macquarie Sponsor [Member]
Gain Contingencies [Line Items]
Business Combination, Integration Related Costs	740,000
Macquarie Sponsor [Member] \| Common Stock [Member] \| IPO [Member]
Gain Contingencies [Line Items]
Contingent Forward Purchase Contract Amount		$ 20,000,000
Contingent Forward Purchase Contract Shares		2,000,000
Sale of Stock, Price Per Share		$ 10.00
Conversion of Stock, Shares Converted		2,000,000
Conversion of Stock, Shares Issued		200,000
Macquarie Sponsor [Member] \| Common Stock [Member] \| Private Placement [Member]
Gain Contingencies [Line Items]
Contingent Forward Purchase Contract Shares		500,000