Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 30, 2018
Mar. 31, 2017
Operating activities    
Net income $ 6,111 $ 6,668
Adjustments to reconcile net income to net cash (used in) provided by operating activities:    
Depreciation and amortization 809 407
Loss on disposal of property, plant, and equipment 40 0
Stock-based compensation 1,415 1,086
Amortization of debt issuance costs 106 194
Changes in assets and liabilities:    
Receivables (37,042) 7,441
Other assets (1,164) 4,202
Accounts payable 9,497 (22,599)
Billings in excess of costs 0 2,415
Deferred taxes (827) (2,506)
Compensation and other employee benefits 5,788 12,059
Other liabilities 3,630 547
Net cash (used in) provided by operating activities (11,637) 9,914
Investing activities    
Purchases of capital assets (73) (24)
Acquisition of business, net of cash acquired (37,210) 0
Net cash used in investing activities (37,283) (24)
Financing activities    
Repayments of long-term debt (1,000) (3,500)
Proceeds from revolver 31,000 18,000
Repayments of revolver (31,000) (18,000)
Proceeds from exercise of stock options 1,309 50
Payments of employee withholding taxes on share-based compensation (785) (577)
Net cash used in financing activities (476) (4,027)
Exchange rate effect on cash 690 175
Net change in cash (48,706) 6,038
Cash-beginning of year 77,453 47,651
Cash-end of period 28,747 53,689
Supplemental Disclosure of Cash Flow Information:    
Interest paid 991 1,036
Income taxes paid $ 198 $ 161