Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Details)

v2.4.1.9
Fair Value Measurements - Additional Information (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Fair Value Disclosures [Abstract]    
Financial assets measured on a recurring basis $ 0us-gaap_AssetsFairValueDisclosureRecurring $ 0us-gaap_AssetsFairValueDisclosureRecurring