Quarterly report pursuant to Section 13 or 15(d)

Sale of India Subsidiary (Details)

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Sale of India Subsidiary (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Apr. 26, 2018
Sep. 30, 2018
Sep. 30, 2018
Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash received in the sale of India subsidiary, net of cash transferred     $ 1,551 $ 0
Loss on sale of India subsidiary     78 $ 0
BioServe | Disposed of by Sale        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Disposal group, consideration $ 1,900      
Cash received in the sale of India subsidiary, net of cash transferred 1,600      
Contingent receivable from disposal $ 300 $ 213 213  
Loss on sale of India subsidiary   $ 87 $ 78