Impairment of Long-lived Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Impairment of Long-Lived Assets [Line Items]
Impairment of long-lived assets	$ 0	$ 0	$ 212	$ 0
Portamedic Service Line [Member]
Impairment of Long-Lived Assets [Line Items]
Impairment of long-lived assets			100	200
Financial System Software [Member]
Impairment of Long-Lived Assets [Line Items]
Impairment of long-lived assets			$ 200