Property and equipment and obligations under capital leases (Tables)
12 Months Ended
Dec. 31, 2012
Property and Equipment Intangible Assets and Obligations Under Capital Leases [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property and equipment is comprised of the following:
 
 
 
December 31,
 
 
 
2012
 
2011
 
 
 
(in thousands)
 
Equipment
 
$
4,893
 
$
2,852
 
Computer software
 
 
1,743
 
 
1,144
 
Leasehold improvements
 
 
233
 
 
184
 
 
 
 
6,869
 
 
4,180
 
Less: Accumulated depreciation and amortization
 
 
(2,956)
 
 
(1,762)
 
Net property and equipment
 
$
3,913
 
$
2,418
 
Schedule of Capital Leased Assets [Table Text Block]
The assets relating to capital leases, included in property and equipment on the balance sheet, is as follows:
 
 
 
December 31,
 
 
 
2012
 
2011
 
 
 
(in thousands)
 
Capital lease assets included in equipment
 
$
1,299
 
$
302
 
Capital lease assets included in computer software
 
$
190
 
$
45
 
Less: Accumulated depreciation and amortization
 
 
(321)
 
 
(113)
 
 
 
$
1,168
 
$
234
 
 
 
 
Year ended December 31,
 
 
 
2012
 
2011
 
Depreciation expense relating to capital lease assets
 
$
208
 
$
49
 
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]
The following is a schedule of future minimum lease payments due under capital leases and software licensing agreements as of December 31, 2012:
 
 
 
Future Minimum
 
Year ending
 
Lease Payments
 
December 31,
 
(in thousands)
 
2013
 
$
499
 
2014
 
 
486
 
2015
 
 
221
 
Total minimum lease payments
 
 
1,206
 
Less interest portion of payments
 
 
(64)
 
Less executory costs
 
 
(203)
 
Present value of minimum lease payments
 
$
939