XML 17 R7.htm IDEA: XBRL DOCUMENT v3.22.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities:    
Net loss $ (4,692) $ (4,028)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:    
Provision for doubtful accounts 120 130
Depreciation and amortization 3,567 3,350
Deferred income taxes (5) 0
Loss on disposals of fixed assets 151 452
Compensation expense related to stock-based awards and employee stock purchase plan 881 932
Unrealized currency translation (gain) loss (50) 195
Changes in operating assets and liabilities:    
Accounts receivable (792) 3,537
Inventories (1,026) 1,901
Prepaid expenses, other current assets, and current contract assets (520) (739)
Other non-current assets and non-current contract assets 626 930
Accounts payable (7) (3,219)
Contract liabilities and long-term contract liabilities 604 (613)
Accrued compensation, product warranty and other (2,370) 2,169
Other long-term liabilities 0 1
Net cash (used in) provided by operating activities (3,513) 4,998
Cash flows from investing activities:    
Capital expenditures (4,372) (5,164)
Cash paid for acquisition of intangible asset (14) (16)
Proceeds from sale of fixed assets 0 100
Purchases of marketable securities (1) (2)
Maturities and sales of marketable securities 4,500 0
Net cash provided by (used in) investing activities 113 (5,082)
Cash flows from financing activities:    
Proceeds from stock options exercised and employee stock purchase plan 183 1,566
Payment of finance lease (66) (96)
Net cash provided by financing activities 117 1,470
Effect of exchange rate changes on cash and cash equivalents (57) 5
Net (decrease) increase in cash and cash equivalents (3,340) 1,391
Cash and cash equivalents at beginning of period 11,376 12,578
Cash and cash equivalents at end of period 8,036 13,969
Supplemental disclosure of non-cash investing and financing activities:    
Changes in accrued other and accounts payable related to property and equipment additions 46 175
Taxes accrued for net share settlement of options $ 131 $ 0