Preferred Stock (Tables)

9 Months Ended

Sep. 30, 2018

Stockholders' Equity Note [Abstract]

Components of Dividends Declared and in Kind Dividends Deemed on Preferred Stock

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Preferred D dividends accrued at stated rate	$	-	$	-	$	-	$	650
Preferred D inducement to convert		-		60		-		11,090
Preferred E dividends accrued at stated rate		145		145		434		339
Dividends declared and in kind dividends deemed on preferred stock	$	145	$	205	$	434	$	12,079