Business Segments (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Total Assets	$ 244,434	$ 211,576
Learning Solutions [Member]
Total Assets	116,753	95,389
Professional and Technical Services [Member]
Total Assets	56,160	59,675
Sandy Training and Marketing [Member]
Total Assets	24,250	16,819
Energy Services [Member]
Total Assets	19,799	13,946
Performance Readiness Group [Member]
Total Assets	$ 27,472	$ 25,747