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Discontinued Operations and Assets and Liabilities Held for Sale - Additional Information (Detail) - USD ($)
12 Months Ended
Jul. 31, 2017
Jun. 01, 2017
Jan. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Discontinued Operations, Disposed of by Sale | I4c Innovations          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain (loss) on disposal of discontinued operations       $ (613,000) $ 0
Transaction costs of sale of discontinued operation       $ 516,000  
Discontinued Operations, Disposed of by Sale | One Health Group, LLC | I4c Innovations          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Proceeds from divestiture of businesses $ 100        
Revenue participation limit $ 20,000,000.0        
Assets Held for Sale | Captira          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain (loss) on disposal of discontinued operations     $ (130,000)    
Assets Held for Sale | Habits at Work          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain (loss) on disposal of discontinued operations   $ 24,000