Other Agreements - Additional Information (Details) - NuvoGen Asset Purchase Agreement - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Other Agreements [Line Items]
Asset purchase agreement quarterly installments due from beginning 2018	$ 400,000
Percentage on annual revenues for cash consideration to be paid	6.00%
Accrued revenue-based payments		$ 0
Asset purchase agreement fixed quarterly payments	$ 100,000
Additional revenue based payments payable	$ 149,519	$ 85,574