Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)		12 Months Ended
	Jan. 23, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) Customer Vendor shares	Dec. 31, 2016 USD ($) Customer Vendor	Dec. 31, 2015 USD ($)	Aug. 31, 2014 USD ($)
Significant Accounting Policies [Line Items]
Prior Period Reclassification Adjustment		$ 0
Accumulated deficit		134,566,061	$ 115,606,044
Cash and cash equivalents		9,968,600	7,507,659	$ 3,293,983
Current liabilities		$ 13,341,967	10,020,991
Long-term liabilities			5,389,137
Issuance of common stock | shares		5,471,962
Allowance for Doubtful Accounts Receivable		$ 0	0
Maturity period of investments		less than one year
Reserve for shrinkage and excess inventory		$ 62,142	270,307
Inventory written off directly to cost of revenue		208,112	167,100
Finished goods inventory		257,959	557,161
Leasehold improvements			710,000
Depreciation and leasehold improvement amortization expense		1,241,873	1,473,778
Impairment of Long-lived assets		0	0
Debt instrument, amortization expense		195,248	206,985
Deferred offering costs, current		2,953	49,630
Advertising and promotion expense incurred		245	$ 49,022
Accounting Standards Update 2016-02 | Office and Equipment Leases
Significant Accounting Policies [Line Items]
Gross-up amount of leases effect in balance sheets		$ 2,000,000
Supplier Concentration Risk | Accounts Payable
Significant Accounting Policies [Line Items]
Number of vendors | Vendor		3	2
Supplier Concentration Risk | Accounts Payable | Vendor One
Significant Accounting Policies [Line Items]
Sales revenue percentage		23.00%	11.00%
Supplier Concentration Risk | Accounts Payable | Vendor Two
Significant Accounting Policies [Line Items]
Sales revenue percentage		17.00%	8.00%
Supplier Concentration Risk | Accounts Payable | Vendor Three
Significant Accounting Policies [Line Items]
Sales revenue percentage		15.00%
Sales Revenue, Net | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Number of customers | Customer		2	2
Sales Revenue, Net | Customer Concentration Risk | Customer One
Significant Accounting Policies [Line Items]
Sales revenue percentage		54.00%	29.00%
Sales Revenue, Net | Customer Concentration Risk | Customer Two
Significant Accounting Policies [Line Items]
Sales revenue percentage		8.00%	12.00%
Accounts Receivable | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Number of customers | Customer		2	2
Accounts Receivable | Customer Concentration Risk | Customer One
Significant Accounting Policies [Line Items]
Sales revenue percentage		66.00%	28.00%
Accounts Receivable | Customer Concentration Risk | Customer Two
Significant Accounting Policies [Line Items]
Sales revenue percentage		11.00%	15.00%
Software and Software Development Costs
Significant Accounting Policies [Line Items]
Long-term asset, estimated life		3 years
Minimum
Significant Accounting Policies [Line Items]
Period of time customers use to evaluate the Company’s equipment		90 days
Long-term asset, estimated life		3 years
Maximum
Significant Accounting Policies [Line Items]
Period of time customers use to evaluate the Company’s equipment		180 days
Long-term asset, estimated life		5 years
NuvoGen Asset Purchase Agreement
Significant Accounting Policies [Line Items]
Percentage of revenue for remaining payment due under obligation		6.00%
QIAGEN North American Holdings, Inc.
Significant Accounting Policies [Line Items]
Percentage of convertible note to a minimum of common stockholders		5.00%
Convertible debt, fair value		$ 2,800,000
HTG EdgeSeq
Significant Accounting Policies [Line Items]
Finished goods inventory		53,365	$ 185,557
Underwritten Public Offering
Significant Accounting Policies [Line Items]
Issuance of common stock | shares	13,915,000
Common stock price per share | $ / shares	$ 2.90
Proceeds from issuance of underwritten public offering, net of underwriting discounts and commissoins and offering expenses	$ 37,700,000
NuvoGen
Significant Accounting Policies [Line Items]
Long-term liabilities		11,000,000
Growth Term Loan
Significant Accounting Policies [Line Items]
Deferred financing costs		6,269	24,909
Deferred financing cost amortization expense		18,640	27,468
Debt instrument, amortization expense		179,931	249,868
Growth Term Loan A
Significant Accounting Policies [Line Items]
Debt instrument, amortization expense		58,538	238,469
Debt issuance costs, net					$ 300,000
Growth Term Loan B
Significant Accounting Policies [Line Items]
Debt instrument, amortization expense		58,538	238,469
Convertible Promissory Note | QIAGEN North American Holdings, Inc.
Significant Accounting Policies [Line Items]
Deferred financing cost amortization expense		1,269	0
Debt issuance costs, net		$ 39,240	$ 0