Accrued Expenses and Other Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2014

Accrued Expenses And Other Current Liabilities [Abstract]

Schedule of Accrued Expenses and Other Current Liabilities [TableTextBlock]

	September 30, 2014		December 31, 2013
Accrued salaries and benefits	$	1,115	$	1,146
Warrant liability		910		939
Liability for consigned precious metals		534		832
Accrued legal settlement and related expenses		-		616
Accrued severance and other charges		669		530
Accrued warranty		469		453
Other		1,752		1,343
Accrued expenses and other current liabilities	$	5,449	$	5,859