Convertible Preferred Stock And Stockholder's Equity (Tables)

3 Months Ended

Mar. 31, 2018

Convertible Preferred Stock And Stockholders' Equity [Abstract]

Summary Of Option And Stock Appreciation Rights Activity

	Number of Options/SARs	Range of Exercise Price	Weighted Average Exercise Price per Share
Outstanding, December 31, 2017	413,301	$0.62 - $54.90	$9.04
Granted	858,500	$0.74 - $0.83	$0.74
Exercised	-	-	-
Forfeited	(35,356)	$2.15 - $35.20	$9.14
Outstanding, March 31, 2018	1,236,445	$0.62 - $54.90	$3.27

Summary Of Restricted Stock Unit Activity

	Number of Restricted Stock Units	Weighted Average Grant Date Fair Value per Unit
Outstanding, December 31, 2017	680,363	$1.11
Granted	212,000	$0.84
Vested	(285,662)	$1.36
Forfeited	(33,250)	$1.26
Outstanding, March 31, 2018	573,451	$0.88