Convertible Preferred Stock (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
Convertible Preferred Stock
Series A convertible preferred stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001
Private placement | Series A Convertible Preferred Stock
Convertible Preferred Stock
Issuance of Series A convertible preferred stock (in shares) | $	$ 30,000	$ 30,000
Series A convertible preferred stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001
Share Price (in dollars per share) | $ / shares	$ 1,000	$ 1,000
Net proceeds from issuance of Series A convertible preferred stock | $		$ 28,200,000
Underwriting discounts and commissions | $		$ 1,800,000
Number of common shares issued for each convertible stock | shares	800	800
Conversion price (in dollars per share) | $ / shares	$ 1.25	$ 1.25
Maximum penalty failure of registration		4.00%
Beneficial conversion feature of the convertible preferred stock | $		$ 8,900,000
Private placement | Series A Convertible Preferred Stock | Minimum
Convertible Preferred Stock
Beneficial interest limitation		9.99
Private placement | Series A Convertible Preferred Stock | Maximum
Convertible Preferred Stock
Beneficial interest limitation		19.99