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Subsequent Event (Detail Textuals) - Line of credit facility - USD ($) $ in Millions		9 Months Ended
	Feb. 12, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Basis rate		4.00%
Description of variable rate		30-day LIBOR
Subsequent event
Debt Instrument [Line Items]
Interest coverage ratio description	The minimum interest coverage ratio requirement to be 0.44 to 1.0 for the measurement period ending December 31, 2018, and 0.20 to 1.0 for the measurement period ending January 31, 2019, and 1.0 to 1.0 for the measurement period ending February 28, 2019 and thereafter
Basis rate	3.00%
Description of variable rate	LIBOR plus 4.0
Interest rates for borrowings under the credit facility	4.00%
Aggregate amount available under the line of credit	$ 140

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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X

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Average amount borrowed under the credit facility during the period.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Details

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