Business Segment, Geographic and Quarterly Financial Data - Operations by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues:
Revenues	$ 109,338	$ 97,644	$ 93,668
Assets
Assets:	110,058	105,897
United States
Revenues:
Revenues	63,275	70,425	76,077
Assets
Assets:	83,464	86,466
Foreign
Revenues:
Revenues	46,063	27,219	17,591
Assets
Assets:	$ 26,594	$ 19,431

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant