| Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) $ in Thousands | 12 Months Ended | |||
|---|---|---|---|---|
| Dec. 31, 2018  USD ($) | ||||
| Beginning Balance | $ 2,054 | |||
| Payments | (307) | [1] | ||
| Accretion | 331 | |||
| Cancellation of Obligation/Conversions Exercises | ||||
| Adjustment to fair value/Mark to Market | 1,410 | |||
| Ending Balance | 3,488 | |||
| Underwriter Warrants[Member] | ||||
| Beginning Balance | 473 | |||
| Payments | [1] | |||
| Accretion | ||||
| Cancellation of Obligation/Conversions Exercises | ||||
| Adjustment to fair value/Mark to Market | (112) | |||
| Ending Balance | 361 | |||
| Asuragen [Member] | ||||
| Beginning Balance | 1,581 | |||
| Payments | (307) | [1] | ||
| Accretion | 331 | |||
| Cancellation of Obligation/Conversions Exercises | ||||
| Adjustment to fair value/Mark to Market | 1,522 | |||
| Ending Balance | $ 3,127 | |||
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 | ||||
| X | ||||||||||
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- Definition Cancellation of Obligation / Conversions. No definition available. 
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| X | ||||||||||
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- Definition Amount of accretion of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. No definition available. 
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| X | ||||||||||
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- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Details 
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| X | ||||||||||
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- Details 
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