Preferred Stock (Tables)

6 Months Ended

Jun. 30, 2017

Equity [Abstract]

Components Of Dividends Declared And Undeclared And In Kind Dividends Deemed On Preferred Stock

	Three months ended June 30,				Six months ended June 30,
	2017		2016		2017		2016
Preferred A dividends accrued at stated rate	$	-	$	32	$	-	$	222
Preferred A additional deemed dividends upon redemption		-		6		-		652
Preferred B dividends accrued at stated rate		-		35		-		243
Preferred B additional deemed dividends upon redemption		-		6		-		668
Preferred C dividends accrued at stated rate		-		-		-		455
Preferred C additional deemed dividends at exchange		-		-		-		15,419
Preferred D dividends accrued at stated rate		-		978		650		1,138
Preferred D inducement to convert		127		-		11,030		-
Preferred E dividends accrued at stated rate		144		-		194		-
Dividends declared and undeclared and in kind dividends deemed on preferred stock	$	271	$	1,057	$	11,874	$	18,797