Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Expenses [Abstract]

Accrued expenses

	December 31, 2012		December 31, 2011
Accrued professional fees	$	58	$	702
Accrued compensation		48		—
Dividend on preferred stock payable		—		56
Accrued other		388		160
Accrued expenses	$	494	$	918