Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	1 Months Ended	12 Months Ended
	May 31, 2015 USD ($)	Dec. 31, 2016 USD ($) Customer	Dec. 31, 2015 USD ($) Customer	Feb. 29, 2016 USD ($)
Significant Accounting Policies [Line Items]
Prior Period Reclassification Adjustment		$ 0
Accumulated deficit		(115,606,044)	$ (89,566,494)
Available cash, cash equivalents and investments in short term available-for-sale securities, amount		11,800,000
Current liabilities		10,020,991	6,319,610
Long-term liabilities		5,389,137	7,737,586
Deferred financing costs		24,909	52,377
Allowance for Doubtful Accounts Receivable		0	0
Bad debt recovery		35,000
Write offs of uncollectible bad debt		$ 0
Bad debt expense, net of recoveries			44,854
Maturity period of investments		less than one year
Provision for excess inventory		$ 723,466	230,754
Change in inventory valuation reserves			230,050
Finished goods inventory		557,161	1,210,780
Leasehold improvements		1,847,378	224,061	$ 710,000
Incentive from landlord		710,000
Depreciation and leasehold improvement amortization expense		1,473,778	662,562
Amortization expense for capitalized software costs		283	0
Impairment of Long-lived assets		0	0
Accretion of preferred stock issuance costs		0	35,046
Deferred financing cost amortization expense		27,468	22,754
Debt instrument, amortization expense		206,985	281,013
Amortization of discount and issuance costs		551,121	352,415
Loss on settlement of convertible notes			705,217
Write off of deferred financing costs		53,611
Write off unamortized debt discount		651,606
Deferred offering costs, noncurrent		49,630	0
Advertising and promotion expense incurred		$ 49,022	$ 11,761
Estimated percentage of pre vesting option forfeiture rates		11.00%	17.00%
Uncertain tax position		$ 0	$ 0
Sales Revenue, Net | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Number of customers | Customer		2
Sales Revenue, Net | Customer Concentration Risk | Customer One
Significant Accounting Policies [Line Items]
Sales revenue percentage		29.00%	38.00%
Sales Revenue, Net | Customer Concentration Risk | Customer Two
Significant Accounting Policies [Line Items]
Sales revenue percentage		12.00%	7.00%
Revenue from grants and contracts | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Sales revenue percentage		0.00%
Revenue from grants and contracts | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Sales revenue percentage			8.00%
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		28.00%	32.00%
Accounts Receivable | Customer Concentration Risk | Customer Two
Significant Accounting Policies [Line Items]
Sales revenue percentage		15.00%	25.00%
IPO
Significant Accounting Policies [Line Items]
Issuance cost	$ 2,300,000
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
Maximum | Accounting Standards Update 2016-02 | Office and Equipment Leases
Significant Accounting Policies [Line Items]
Gross-up amount of leases effect in balance sheets		$ 3,000,000
HTG Edge
Significant Accounting Policies [Line Items]
Provision for excess inventory		210,183
Additional inventory write down		360,194
Additional reserve recorded for excess inventory		133,244
Reserve for shrinkage and excess inventory increased		62,927
Additional inventory written off directly to cost of revenue		167,100
HTG EdgeSeq
Significant Accounting Policies [Line Items]
Finished goods inventory		185,557	$ 632,216
Growth Term Loan
Significant Accounting Policies [Line Items]
Long-term liabilities		14,000,000
Deferred financing costs		24,909	52,377
Deferred financing cost amortization expense		27,468	22,754
Debt instrument, amortization expense		249,868	170,954
Growth Term Loan A
Significant Accounting Policies [Line Items]
Debt instrument, amortization expense		238,469	352,415
Growth Term Loan B
Significant Accounting Policies [Line Items]
Debt instrument, amortization expense		238,469	352,415
Convertible Notes
Significant Accounting Policies [Line Items]
Deferred financing costs		75,520
Amortization of discount and issuance costs		$ 0	$ 112,134