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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 27, 2019
Sep. 28, 2018
Operating Activities    
Net income (loss) $ 54 $ (750)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization of property, plant and equipment 1,038 1,288
Recovery from uncollectible receivables (35) (102)
Share-based compensation 407 436
Deferred tax assets, net (634) 227
Charges for inventory and customer service inventory write-downs 337 177
Loss on disposition of property, plant and equipment, net 3 8
Changes in operating assets and liabilities:    
Accounts receivable 8,570 (5,693)
Unbilled receivables (2,594) (5,875)
Inventories (2,665) 951
Customer service inventories (326) (23)
Accounts payable (3,779) 3,022
Accrued expenses 540 (447)
Advance payments and unearned revenue 3,152 1,728
Income taxes payable or receivable 1,803 344
Other assets and liabilities (222) (2,101)
Net cash provided by (used in) operating activities 5,649 (6,810)
Investing Activities    
Payments for acquisition of property, plant and equipment (1,302) (1,802)
Net cash used in investing activities (1,302) (1,802)
Financing Activities    
Proceeds from borrowings 9,000 9,000
Repayments of borrowings (9,000) (9,000)
Payments for repurchase of Company stock (748) (389)
Payments for taxes related to net settlement of equity awards (746) 0
Proceeds from issuance of common stock under employee stock plans 4 10
Net cash used in financing activities (1,490) (379)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash (318) (67)
Net increase (decrease) in cash, cash equivalents, and restricted cash 2,539 (9,058)
Cash, cash equivalents, and restricted cash, beginning of period 32,201 37,764
Cash, cash equivalents, and restricted cash, end of period $ 34,740 $ 28,706