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Related-Party Transactions - Additional Information (Details) - USD ($)	1 Months Ended	12 Months Ended
	Oct. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Nov. 17, 2016
Related Party Transaction [Line Items]
Service revenue		$ 21,503,894	$ 14,759,567
Research and development		12,598,034	9,996,627
Accounts receivable		5,012,678	6,356,268
Profit sharing payments included in collaborative development services revenue		$ 5,090,475	$ 4,971,806
Common stock, shares issued		28,585,449	13,929,763
Common stock value		$ 28,585	$ 13,929
Collaborative Development Services
Related Party Transaction [Line Items]
Service revenue		12,382,504	7,962,312
SOW One
Related Party Transaction [Line Items]
Profit sharing payments included in collaborative development services revenue		99,394	1,272,080
Research and development		1,716,115	2,129,138
Accounts receivable		0	2,429,152
SOW One \| Collaborative Development Services
Related Party Transaction [Line Items]
Service revenue		2,297,742	2,604,892
SOW Two
Related Party Transaction [Line Items]
Profit sharing payments included in collaborative development services revenue		1,779,827	1,072,130
Research and development		3,625,332	2,645,825
Accounts receivable		1,007,950	1,796,157
Revenues		4,208,194	2,988,211
SOW Two \| Collaborative Development Services
Related Party Transaction [Line Items]
Service revenue		5,988,021	4,060,341
SOW Three
Related Party Transaction [Line Items]
Research and development		2,667,030
Accounts receivable		363,869	0
Revenues		3,641,715	0
Profit sharing payments included in collaborative development services revenue		355,631	0
SOW Three \| Collaborative Development Services
Related Party Transaction [Line Items]
Service revenue		$ 3,997,346
QIAGEN Manchester Limited
Related Party Transaction [Line Items]
Agreement commencement period		2016-11
Term of agreement		5 years
Termination payment		$ 2,000,000
QIAGEN Manchester Limited \| Maximum
Related Party Transaction [Line Items]
Term of agreement		1 year
QIAGEN North American Holdings, Inc.
Related Party Transaction [Line Items]
Revenues		$ 35,000	4,375
Common stock, shares issued				833,333
Common stock value				$ 2,000,000
Deferred revenue		$ 175,000
Deferred revenue recognition period		5 years
QIAGEN North American Holdings, Inc. \| Convertible Promissory Note
Related Party Transaction [Line Items]
Cash proceeds from issuance of subordinated notes	$ 3,000,000
Debt instrument, interest rate	3.00%
Debt instrument, maturity date	Oct. 26, 2020
Conversion price per share	$ 3.984
Debt issuance costs		$ 25,787	40,510
QIAGEN North American Holdings, Inc. \| Convertible Promissory Note \| Interest Expense
Related Party Transaction [Line Items]
Amortization of deferred financing costs		13,454	1,269
Interest accrued		$ 90,000	$ 8,630
QIAGEN North American Holdings, Inc. \| Common Stock
Related Party Transaction [Line Items]
Shares issued price per share				$ 2.40