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

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Consolidated Balance Sheets [Abstract]      
Allowance for doubtful accounts receivable (in dollars) $ 1,804 $ 654  
Allowance for doubtful accounts, net investment in sales-type leases (in dollars) $ 183 $ 301  
Common stock, par value $ 0.01 $ 0.01  
Common stock, shares authorized 180,000 180,000 60,000
Common stock, shares issued 49,211 38,372 21,246
Common stock, shares outstanding 49,211 38,372