Convertible Preferred Stock - Series A Redeemable Convertible Preferred Stock (Details) - USD ($)		1 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended
	Mar. 23, 2018	Mar. 31, 2018	Mar. 31, 2018	Mar. 31, 2021	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Amount of shares issued							$ 2,055,874
Carrying Value						$ 11,606,484
Accretion to redemption value of redeemable preferred stock						$ 894,490
Prior period balance recorded					$ 436,652
Forecast | Maximum
Product revenue				$ 22,000,000
Average VWAP of common stock for the 30 days prior to Measurement Date				$ 105.00
Private placement
Shares issued (in shares)						2,500,000
Series A convertible participating preferred stock
Redemption value					$ 12,738,822	$ 12,738,822	0
Carrying Value						9,894,492	$ 9,000,002
Accretion to redemption value of redeemable preferred stock						894,490
Deemed dividend	$ 995,000					$ 894,490
Redemption price per share					$ 2.3057
Beneficial Conversion Feature			$ 995,000
Sagard Capital Partners, L.P. | Series A convertible participating preferred stock
Number of shares issued for each convertible preferred stock		473,565	473,565
Maximum period from date of issuance		1 year
Effective conversion price		$ 19.425				$ 19.425
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