Revenue Recognition (Details) - Schedule of product revenue by geography - Life Sciences [Member] - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2019 |
Jan. 31, 2018 |
Jan. 31, 2019 |
Jan. 31, 2018 |
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| Revenue Recognition (Details) - Schedule of product revenue by geography [Line Items] | ||||
| Products revenue | $ 7,327 | $ 7,122 | $ 14,290 | $ 14,203 |
| UNITED STATES | ||||
| Revenue Recognition (Details) - Schedule of product revenue by geography [Line Items] | ||||
| Products revenue | 4,106 | 3,634 | 7,985 | 7,370 |
| Europe [Member] | ||||
| Revenue Recognition (Details) - Schedule of product revenue by geography [Line Items] | ||||
| Products revenue | 1,408 | 1,551 | 2,750 | 3,183 |
| Rest of world [Member] | ||||
| Revenue Recognition (Details) - Schedule of product revenue by geography [Line Items] | ||||
| Products revenue | $ 1,813 | $ 1,937 | $ 3,555 | $ 3,650 |
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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