Note 5. Acquistions

6 Months Ended

Jun. 30, 2012

Business Combinations [Abstract]

Acquisitions [Text Block]

5. Acquisitions

2011 Acquisition

Ray Tracker

On January 4, 2011, we acquired 100% of the ownership interest of Ray Tracker, Inc. (“Ray Tracker”), a tracking technology and PV balance of systems parts business in an all-cash transaction, which was not material to our condensed consolidated balance sheets and results of operations. We have included the financial results of Ray Tracker in our condensed consolidated financial statements from the date of acquisition.