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Supplemental Consolidated Balance Sheet and Statement of Operations Information
 9 Months Ended
Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Supplemental Consolidated Balance Sheet and Statement of Operations Information Supplemental Consolidated Balance Sheet and Statement of Operations Information
Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of (in thousands):

 September 30, 2017 December 31, 2016
Accrued vacation $5,826  $4,368 
Accrued commissions 2,429  2,382 
Accrued bonuses 7,642  8,927 
Estimated health insurance claims 1,100  1,210 
Accrued other liabilities 3,774  3,808 
 $20,771  $20,695 

Other Income, net

Other income, net for the three and nine months ended September 30, 2017 and 2016 consisted of (in thousands):

 Three months ended September 30,  Nine months ended September 30, 
 2017  2016  2017  2016 
Interest income $168 $64 $388 $209 
Income from training reimbursement program 207 247 943 910 
Other (177)(13)(345)33 
$198 $298 $986 $1,152