Impairment of Long-Lived assets (Tables)

6 Months Ended

Jun. 30, 2014

Impaired Long-Lived Assets Held and Used [Line Items]

Schedule of Capital Leased Assets [Table Text Block]

	June 30, 2014		December 31, 2013
Estimated residual value of leased assets	$	685	$	1,465
Less: unearned income		332		767
Net investment in long-term leases	$	353	$	698