Basis of Presentation and Summary of Significant Accounting Policies - Product and Product-Related Service Revenue from Sale of Instruments and Consumables (Details) - USD ($)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Revenue Reconciling Item [Line Items]
Total product revenue	$ 6,797,255	$ 5,132,730
Total product-related services revenue	7,962,312
HTG EdgeSeq
Segment Reporting Revenue Reconciling Item [Line Items]
Total product revenue	1,848,490	2,759,942
Total product-related services revenue	4,948,765	2,372,788
Total product and product-related services revenue	6,797,255	5,132,730
Instruments \| HTG EdgeSeq
Segment Reporting Revenue Reconciling Item [Line Items]
Total product revenue	385,143	522,813
Consumables \| HTG EdgeSeq
Segment Reporting Revenue Reconciling Item [Line Items]
Total product revenue	1,463,347	2,237,129
Custom RUO assay development \| HTG EdgeSeq
Segment Reporting Revenue Reconciling Item [Line Items]
Total product-related services revenue	419,515	235,818
Sample processing \| HTG EdgeSeq
Segment Reporting Revenue Reconciling Item [Line Items]
Total product-related services revenue	$ 4,529,250	$ 2,136,970

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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