Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Unearned Revenues

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Unearned Revenues
12 Months Ended
Dec. 31, 2012
Deferred Revenue Disclosure [Abstract]  
Deferred Revenue Disclosure [Text Block]

Note 10. Unearned Revenues

Unearned revenues result primarily from customers paying in advance for maintenance services to be performed and consisted of the following at December 31:

in thousands       2012       2011
Maintenance contracts - current $       16,755 $       9,629
Maintenance contracts - long-term     3,181   2,562
Other 1,313   140
$ 21,249 $ 12,331