Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2013

Supplemental Cash Flow Elements [Abstract]

Cash Flow, Supplemental Disclosures [Text Block]

(8) Supplemental Cash Flow Information

The Company considers all highly liquid investment securities with original maturities of three months or less to be cash equivalents. During the six months ended June 30, 2013 and 2012, there were interest payments of $2.3 million and $2.5 million, respectively, related to the Company’s notes payable. Income tax payments of $213,000 and $33,000 were made during the six months ended June 30, 2013 and 2012, respectively.