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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Dec. 29, 2018
OPERATING ACTIVITIES:      
Net income $ 24,507 $ 20,747 $ 22,472
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 12,840 10,648 9,996
GNU gain on liquidation 0 0 (258)
Deferred rent and facility-related liabilities 142 117 3,596
Right-of-use asset amortization 12,037 10,662 0
Deferred income taxes 1,114 (1,159) (829)
Share-based compensation expenses 3,235 3,461 4,819
Accounts receivable allowances (479) 47 (1,410)
Unrealized foreign currency remeasurement losses, net 247 0 0
Changes in operating assets and liabilities:      
Accounts receivable (1,948) (12,759) (14,427)
Unbilled services, net (3,940) (352) (2,987)
Prepaid expenses and other current assets, and other assets 1,377 (2,120) 5,502
Forgivable loans (15,868) (16,331) (12,277)
Incentive cash awards 6,602 4,839 3,206
Accounts payable, accrued expenses, and other liabilities 25,336 16,194 18,786
Lease liabilities (10,539) (6,162) 0
Net cash provided by operating activities 54,663 27,832 36,189
INVESTING ACTIVITIES:      
Purchases of property and equipment (17,094) (16,693) (15,447)
Net cash used in investing activities (17,094) (16,693) (15,447)
FINANCING ACTIVITIES:      
Issuance of common stock, principally stock options exercises 2,236 3,211 2,166
Borrowings under revolving line of credit 77,000 54,000 30,161
Repayments under revolving line of credit (77,000) (54,000) (30,161)
Tax withholding payments reimbursed by shares (862) (2,176) (3,946)
Cash paid on dividend equivalents (108) (246) (256)
Cash dividends paid to shareholders (7,395) (6,539) (5,784)
Repurchase of common stock (13,371) (18,068) (27,884)
Distribution to noncontrolling interest 0 0 (43)
Net cash used in financing activities (19,500) (23,818) (35,747)
Effect of foreign exchange rates on cash and cash equivalents 1,969 290 (1,002)
Net increase (decrease) in cash and cash equivalents 20,038 (12,389) (16,007)
Cash and cash equivalents at beginning of period 25,639 38,028 54,035
Cash and cash equivalents at end of period 45,677 25,639 38,028
Noncash investing and financing activities:      
Purchases of property and equipment not yet paid for 4,749 4,914 303
Purchases of property and equipment paid by a third party 0 156 133
Asset retirement obligations 155 428 223
Right-of-use assets obtained in exchange for lease obligations 2,640 57,827 0
Right-of-use assets related to the adoption of ASC 842 0 82,329 0
Lease liabilities related to the adoption of ASC 842 0 106,765 0
Supplemental cash flow information:      
Cash paid for taxes 6,535 7,590 4,813
Cash paid for interest 1,162 1,157 509
Cash paid for amounts included in operating lease liabilities $ 20,436 $ 14,620 $ 0