Convertible Preferred Stock (Details) - USD ($)	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2018	Mar. 31, 2021	Dec. 31, 2018	Dec. 31, 2017
Liquidation value				$ 9,199,002
Convertible preferred stock, shares outstanding				5,524,926	0
Deemed dividend attributable to Series A convertible preferred stock				$ 995,000
Forecast | Maximum
Product revenue			$ 22,000,000
Average VWAP of common stock for the 30 days prior to Measurement Date			$ 1.00
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	$ 2.3057
Stock price (in dollars per share)	$ 0.205	$ 0.205
Beneficial Conversion Feature		$ 995,000
Issuance of common stock in exchange for redemption of convertible preferred stock (in shares)		49,724,334
Convertible preferred stock, shares outstanding	5,524,926	5,524,926
Deemed dividend attributable to Series A convertible preferred stock				$ 995,000
Sagard Capital Partners, L.P. | Series A convertible participating preferred stock
Conversion ratio	9	9
Effective conversion price	$ 0.185
Original price per share	$ 1.665
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