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Property and equipment
 12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
2.
Property and equipment
 
                Property and equipment, which include amounts recorded under capital leases, are stated at cost less accumulated depreciation and amortization (in thousands), and consist of the following:
 
 
 
December 31
 
 
 
2013
 
 
2012
 
Equipment
 
$
17,327
 
$
23,798
 
Software
 
 
4,045
 
 
7,583
 
Furniture and equipment
 
 
2,600
 
 
3,400
 
Leasehold improvements
 
 
5,810
 
 
7,362
 
Total
 
 
29,782
 
 
42,143
 
Less: accumulated depreciation and amortization
 
 
(23,699)
 
 
(31,487)
 
 
 
$
6,083
 
$
10,656
 
 
                Depreciation and amortization expense of property and equipment was approximately $3.0 million, $3.1 million and $2.8 million for the years ended December 31, 2013, 2012 and 2011, respectively.
 
                The Synodex subsidiary of the IADS segment has not achieved significant revenue to date and has incurred losses since inception. As a result, in the third quarter of 2013, the Company evaluated the carrying value of the fixed assets of its Synodex subsidiary compared to its fair value and concluded that that the carrying value exceeds its fair value. This resulted in an impairment charge of $5.5 million for the year ended December 31, 2013.
 
                In the impairment review conducted by the Company during 2012, the carrying value of the fixed assets of the docGenix subsidiary exceeded its fair value. The Company recorded an impairment charge of $0.5 million for the year ended December 31, 2012.