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Secondary Offering - Additional Information (Details) - Seidler Equity Partners III L.P. - Secondary Offering - USD ($) $ / shares in Units, shares in Thousands	Apr. 22, 2016	Apr. 18, 2016	Oct. 26, 2015	Sep. 30, 2015
Subsidiary Or Equity Method Investee [Line Items]
Common stock, shares issued	900	6,000	649	6,250
Issuance of common stock, net	$ 0	$ 0	$ 0	$ 0
Offering expenses			$ 727,000
Common stock shares issued, price per share	$ 11.25		$ 12.25
Selling, General and Administrative Expenses
Subsidiary Or Equity Method Investee [Line Items]
Offering expenses	$ 143,000

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The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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