Accounts Receivable (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accounts Receivable [Abstract]
Accounts receivable-net	$ 30,688,000	$ 29,890,000
Write-offs of accounts receivable	696,000	585,000
Provision for Doubtful Accounts	716,000	209,000
Government segment [Member]
Accounts Receivable [Abstract]
Accounts receivable-net	12,597,000	7,665,000
Government segment [Member] | Billed [Member]
Accounts Receivable [Abstract]
Accounts receivable-net	16,932,000	11,226,000
Government segment [Member] | Advance billings [Member]
Accounts Receivable [Abstract]
Accounts receivable-net	(4,335,000)	(3,561,000)
Hospitality segment [Member]
Accounts Receivable [Abstract]
Accounts receivable-net	18,091,000	22,225,000
Allowances for doubtful accounts	$ 561,000	$ 541,000