Convertible Preferred Stock (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Mar. 31, 2021	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Amount of shares issued						$ 2,259,282
Liquidation value					$ 12,738,822		$ 9,199,002
Convertible preferred stock, shares outstanding					5,524,926		5,524,926
Deemed dividend attributable to preferred stock		$ (995,000)				$ (995,000)
Forecast | Maximum
Product revenue				$ 22,000,000
Average VWAP of common stock for the 30 days prior to Measurement Date				$ 105.00
Series A convertible participating preferred stock
Redemption value					$ 12,738,822		$ 12,738,822
Liquidation value					$ 9,199,002		$ 9,199,002
Redemption price per share					$ 2.3057
Beneficial Conversion Feature			$ 995,000
Deemed dividend attributable to preferred stock					$ 995,000
Sagard Capital Partners, L.P. | Series A convertible participating preferred stock
Conversion ratio	473,565		473,565
Effective conversion price	$ 19.425				$ 19.4250
Minimum holding percent of the shares after conversion	19.99%
Maximum period from date of issuance	1 year
Second Amendment to Note Purchase Agreement and Notes | Sagard Capital Partners, L.P. | Series A convertible participating preferred stock | Private Placement
Shares issued (in shares)	5,524,926
Preferred stock, par value (in dollars per share)	$ 0.0001		$ 0.0001
Amount of shares issued			$ 9,000,002
Gross proceeds from the issuance of common stock			$ 9,199,002