Stock-Based Compensation - Stock Options (Detail) - $ / shares			3 Months Ended
Feb. 17, 2016	Feb. 12, 2016	Mar. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options purchased shares, grants during the period			45,000
Award date exercise price per share granted to certain employees			$ 4.21
Stock Options [Member] \| February 2016 Award Date [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options purchased shares, grants during the period	25,000	20,000	45,000
Award date exercise price per share granted to certain employees	$ 4.40	$ 3.97
Expiration of options	Feb. 17, 2026	Feb. 12, 2026
Stock Options [Member] \| February 2016 Award Date [Member] \| Tranche One [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Options, vesting percentage	25.00%	6.25%
Stock Options, vesting period	Feb. 28, 2017	Feb. 29, 2016
Stock Options [Member] \| February 2016 Award Date [Member] \| Vesting Quarterly Thereafter [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Options, vesting percentage	6.25%	6.25%

Share Based Compensation Arrangement By Share Based Payment Awards Vesting Date

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- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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