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Acquisition - Additional Information (Detail) - Aug. 01, 2015 - USD ($)
Total
Business Acquisition [Line Items]  
Fair value assumptions, Weighted average cost of capital 15.50%
Fair value key assumptions Key assumptions include (1) a weighted average cost of capital of 15.5%; (2) a range of earnings projections from $110,000-$700,000 and (3) a range of contract renewal probability from 0%-100%.
Minimum [Member]  
Business Acquisition [Line Items]  
Fair value assumptions, Earnings projections $ 110,000
Fair value assumptions, Contract renewal probability 0.00%
Maximum [Member]  
Business Acquisition [Line Items]  
Fair value assumptions, Earnings projections $ 700,000
Fair value assumptions, Contract renewal probability 100.00%
RITEC [Member]  
Business Acquisition [Line Items]  
Completion date of acquisition Jun. 19, 2015
Date of asset purchase agreement Jun. 18, 2015
Purchase price of the acquisition $ 7,360,000
Amount held in escrow related to business acquisition $ 750,000
Duration of escrow deposits 12 months
General and administrative expenses $ 90,000
Estimated inventory purchase $ 100,000
Percentage of royalties on sale price of products 7.50%
Initial royalty payment period 5 years
Goodwill deductible for tax purposes $ 3,530,000