Accounts Receivable (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Accounts Receivable [Abstract]
Accounts receivable-net	$ 34,152	$ 30,688
Allowances for doubtful accounts	643	541
Government segment [Member]
Accounts Receivable [Abstract]
Accounts receivable-net	11,823	12,597
Government segment [Member] \| Billed [Member]
Accounts Receivable [Abstract]
Accounts receivable-net	15,030	16,932
Government segment [Member] \| Advance billings [Member]
Accounts Receivable [Abstract]
Accounts receivable-net	(3,207)	(4,335)
Hospitality segment [Member]
Accounts Receivable [Abstract]
Accounts receivable-net	$ 22,329	$ 18,091

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3-4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph a(1)

-Article 5

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

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