Summary of Warrants and Related Information (Detail) - Warrant - $ / shares	Jun. 30, 2016	Dec. 31, 2015
Warrants
Outstanding	20,000	20,000
Exercisable at June 30, 2016	20,000
Weighted Average Exercise Price
Outstanding	$ 6.64	$ 6.64
Exercisable at June 30, 2016	$ 6.64

Number of warrants or rights exercisable.

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options weighted average exercise price.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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