Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

The following table presents the convertible preferred stock activity for the years ended December 31, 2019 and 2018.

	Series A					Series A-1					Series G					Series H					Preferred Stock
	Shares			Amount		Shares			Amount		Shares			Amount		Shares			Amount		Shares			Amount
Balance, December 31, 2017		500		$	—		295		$	—		1,780		$	—		—		$	—		2,575		$	—
Exchange to common shares		—			—		—			—		(1,780	)		—		—			—		(1,780	)		—
Balance, December 31, 2018		500		$	—		295		$	—		—		$	—		—		$	—		795		$	—
Issuance of Series A and A-1		1,951			—		296			—		—			—		—			—		2,247			—
Exchange of Series A and Series A-1 to Series H		(1,951	)		—		(296	)		—		—			—		100			—		(2,147	)		—
Repurchase of Series H																	(100	)				(100	)
Balance, December 31, 2019		500		$	—		295		$	—		—		$	—		—		$	—		795		$	—

Dividend charges recorded during the years ended December 31, 2019 and 2018 are as follows:

Accrued dividends payable in accrued expenses at December 31, 2019 and 2018 are as follows: