| Schedule of Components of Loss from Discontinued Operations [Table Text Block] | 
  |   |    |   Three Months Ending March 31,  
 |    |     |   |    |   
 |    |    |   
 |    |     |  
 |    |  $ |  1,644  |    |    |  $ |  36,463  |    |     |   |    |    |    |    |    |    |    |    |      (Loss) income from discontinued operations, before tax  
 |    |    |  (735 |  )* |    |    |  3,118  |    |     |  
 |    |    |  45  |    |    |    |  1  |    |      (Loss) income from discontinued operations, net of tax  
 |    |  $ |  (780 |  ) |    |  $ |  3,117  |    |      
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| Discontinued Operation, Schedule of Amounts Recognized in Balance Sheet [Table Text Block] | 
  |   |    |   For the Three Months Ended   
 |    |    |    
 |    |     |   |    |   
 |    |    |    
 |    |    |   
 |    |    |   
 |    |    |    
 |    |    |   
 |    |     |  
 |    |  $  |  735  |    |    |  $  |  -  |    |    |  $  |  735  |    |    |  $  |  3,296  |    |    |  $  |  -  |    |    |  $  |  3,296  |    |     |  
 |    |    |  -  |    |    |    |  -  |    |    |    |  -  |    |    |    |  16  |    |    |    |  -  |    |    |    |  16  |    |     |  
 |    |    |  795  |    |    |    |  -  |    |    |    |  795  |    |    |    |  2,062  |    |    |    |  -  |    |    |    |  2,062  |    |      Current assets from discontinued operations  
 |    |    |  1,530  |    |    |    |  -  |    |    |    |  1,530  |    |    |    |  5,374  |    |    |    |  -  |    |    |    |  5,374  |    |      Property and equipment, net  
 |    |    |  33  |    |    |    |  -  |    |    |    |  33  |    |    |    |  190  |    |    |    |  -  |    |    |    |  190  |    |     |  
 |    |    |  -  |    |    |    |  150  |    |    |    |  150  |    |    |    |  -  |    |    |    |  150  |    |    |    |  150  |    |      Long-term assets from discontinued operations  
 |    |    |  33  |    |    |    |  150  |    |    |    |  183  |    |    |    |  190  |    |    |    |  150  |    |    |    |  340  |    |     |  
 |    |  $  |  1,563  |    |    |  $  |  150  |    |    |  $  |  1,713  |    |    |  $  |  5,564  |    |    |  $  |  150  |    |    |  $  |  5,714  |    |     |   |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |     |  
 |    |  $  |  2,195  |    |    |  $  |  -  |    |    |  $  |  2,195  |    |    |  $  |  3,767  |    |    |  $  |  -  |    |    |  $  |  3,767  |    |      Unearned contract revenue  
 |    |    |  -  |    |    |    |  -  |    |    |    |  -  |    |    |    |  11  |    |    |    |  -  |    |    |    |  11  |    |     |  
 |    |    |  2,219  |    |    |    |  -  |    |    |    |  2,219  |    |    |    |  3,036  |    |    |    |  -  |    |    |    |  3,036  |    |     |  
 |    |    |  1,812  |    |    |    |  288  |    |    |    |  2,100  |    |    |    |  5,092  |    |    |    |  358  |    |    |    |  5,450  |    |      Current liabilities from discontinued operations  
 |    |    |  6,226  |    |    |    |  288  |    |    |    |  6,514  |    |    |    |  11,906  |    |    |    |  358  |    |    |    |  12,264  |    |     |  
 |    |  $  |  6,226  |    |    |  $ |  288  |    |    |  $  |  6,514  |    |    |  $  |  11,906  |    |    |  $  |  358  |    |    |  $  |  12,264  |    |      
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