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Share-Based Compensation (Details 9) (USD $)
12 Months Ended
Dec. 31, 2012
Weighted average remaining contractual term, Balance (in years) 4 years
Imaging Taiwan [Member]
 
Number of shares, Balance 0
Number of shares, Granted 1,115,000
Number of shares, Exercised 0
Number of shares, Forfeited (65,000)
Number of shares, Balance 1,050,000
Weighted average exercise price, Balance 0
Weighted average exercise price, Granted 1.004
Weighted average exercise price, Exercised 0
Weighted average exercise price, Forfeited 1.004
Weighted average exercise price, Balance 1.004
Weighted average remaining contractual term, Balance (in years) 3 years 6 months