Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Material Changes in Financial Condition (Detail)

v2.4.1.9
Commitments and Contingencies - Material Changes in Financial Condition (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Commitments And Contingencies Disclosure [Abstract]        
Total Assets $ 56,291us-gaap_Assets $ 55,689us-gaap_Assets    
Total Liabilities 22,232us-gaap_Liabilities 18,478us-gaap_Liabilities    
Total Stockholders' Equity $ 34,059us-gaap_StockholdersEquity $ 37,211us-gaap_StockholdersEquity $ 66,207us-gaap_StockholdersEquity $ 30,890us-gaap_StockholdersEquity