Capital Lease Obligations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Leases [Abstract]
Depreciation expense on the equipment under the capital leases	$ 41	$ 40	$ 124	$ 120
Total
Remainder of 2014, Total	20		20
2015, Total	43		43
2016, Total	1		1
Capital Lease, Total	64		64
Interest
Remainder of 2014, Interest	1		1
2015, Interest	1		1
2016, Interest	0		0
Capital Lease Interest, Total	2		2
Principal
Remainder of 2014, Principal	19		19
2015, Principal	42		42
2016, Principal	1		1
Capital Lease Principal, Total	62		62
Current portion of capital lease obligations	57		57		217
Long-term portion of capital lease obligations	$ 5		$ 5		$ 43