XML 48 R20.htm IDEA: XBRL DOCUMENT

Cash and cash equivalents - Schedule of Cash and Cash Equivalents (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Cash and Cash Equivalents [Abstract]
Cash	$ 6,249us-gaap_Cash	$ 8,351us-gaap_Cash
Cash equivalents	8,034us-gaap_CashEquivalentsAtCarryingValue	6,555us-gaap_CashEquivalentsAtCarryingValue
Cash and cash equivalents	$ 14,283	$ 14,906	$ 52,918	$ 11,006

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References+ Details