Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following reconciliation represents the change in fair value of the embedded conversion feature of the New Convertible Notes between December 31, 2016 and March 31, 2017:

	Derivative liability for embedded conversion feature
Fair value as of December 31, 2016	$	403
Mark-to-market adjustment on conversion feature(a)	146
Fair value as of March 31, 2017	$	549

Measurement of assets and liabilities at fair value on a recurring basis

Convertible Notes Due in 2019 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value Inputs, Liabilities, Quantitative Information [Table Text Block]

The main inputs and assumptions into the fair value model for the New Convertible Notes at March 31, 2017 were as follows:

Company's stock price at the end of the period	$	0.30
Expected volatility	110.60		%
Credit spreads	77.30		%
Risk-free interest rate	1.44		%