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Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Estimated Fair Values of Assets Acquired, Net of Cash Acquired and Liabilities Assumed at Acquisition Date Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Restricted Stock Units and Restricted Stock Awards Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Stock Option Activity Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Fair Value Estimation of Common Stock Using Black-Scholes Option Pricing Model, Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Weighted Average Grant Date Fair Value of Options Granted, 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