Note 22 - Segments (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
 
 
Year Ended December 31, 2016
 
   
NET Services
    
WD Services
    
Matrix
Investment
    
Corporate and
Other
    
Total
  
Service revenue, net
   $
1,234,364
    $
344,403
    $
-
    $
122
    $
1,578,889
 
Service expense
    
1,133,501
     
320,147
     
-
     
(894
 )    
1,452,754
 
General and administrative expense
    
11,406
     
30,300
     
-
     
28,205
     
69,911
 
Asset impairment charge
    
-
     
19,588
     
-
     
1,415
     
21,003
 
Depreciation and amortization
    
12,375
     
13,824
     
-
     
405
     
26,604
 
Operating income (loss)
   $
77,082
    $
(39,456
 )   $
-
    $
(29,009
 )   $
8,617
 
                                         
Loss on equity investment
   $
-
    $
8,498
    $
1,789
    $
-
    $
10,287
 
Investment in equity method investee
   $
-
    $
4,161
    $
157,202
    $
-
    $
161,363
 
Total assets
   $
313,169
    $
162,644
    $
157,202
    $
61,379
    $
694,394
 
Long-lived asset expenditures
   $
10,845
    $
19,810
    $
-
    $
1,387
    $
32,042
 
 
 
Year Ended December 31, 2015
 
   
NET Services
    
WD Services
    
Corporate and Other
    
Total
  
Service revenue, net
   $
1,083,015
    $
395,059
    $
(64
 )   $
1,478,010
 
Service expense
    
991,659
     
393,803
     
(4,308
 )    
1,381,154
 
General and administrative expense
    
10,704
     
29,846
     
30,436
     
70,986
 
Depreciation and amortization
    
9,429
     
13,776
     
793
     
23,998
 
Operating income (loss)
   $
71,223
    $
(42,366
 )   $
(26,985
 )   $
1,872
 
                                 
Loss on equity investment
   $
-
    $
10,970
    $
-
    $
10,970
 
Investment in equity method investee
   $
-
    $
9,324
    $
-
    $
9,324
 
Total assets
   $
296,591
    $
213,042
    $
66,958
    $
576,591
 
Long-lived asset expenditures
   $
12,232
    $
11,869
    $
668
    $
24,769
 
 
 
Year Ended December 31, 2014
 
   
NET Services
    
WD Services
    
Corporate and Other
    
Total
  
Service revenue, net
   $
884,287
    $
208,763
    $
(170
 )   $
1,092,880
 
Service expense
    
800,454
     
184,919
     
3,227
     
988,600
 
General and administrative expense
    
8,406
     
(2,072
 )    
37,746
     
44,080
 
Depreciation and amortization
    
7,698
     
8,406
     
1,109
     
17,213
 
Operating income (loss)
   $
67,729
    $
17,510
    $
(42,252
 )   $
42,987
 
                                 
Long-lived asset expenditures
   $
12,477
    $
104,594
    $
473
    $
117,544
 
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
 
 
For the year ended December 31, 2016
 
 
 
United
 
 
United
 
 
Other
 
 
Consolidated
 
 
 
States
 
 
Kingdom
 
 
Foreign
 
 
Total
 
Service revenue, net
   $
1,250,687
    $
235,061
    $
93,141
    $
1,578,889
 
Long-lived assets (a)
    
32,007
     
9,823
     
4,390
     
46,220
 
 
 
For the year ended December 31, 2015
 
 
 
United
 
 
United
 
 
Other
 
 
Consolidated
 
 
 
States
 
 
Kingdom
 
 
Foreign
 
 
Total
 
Service revenue, net
   $
1,099,918
    $
298,386
    $
79,706
    $
1,478,010
 
Long-lived assets (a)
    
30,947
     
11,173
     
4,038
     
46,158
 
 
 
For the year ended December 31, 2014
 
 
 
United
 
 
United
 
 
Other
 
 
Consolidated
 
 
 
States
 
 
Kingdom
 
 
Foreign
 
 
Total
 
Service revenue, net
   $
902,418
    $
139,065
    $
51,397
    $
1,092,880