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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
OPERATING ACTIVITIES:    
Net income $ 5,331 $ 5,314
Adjustments to reconcile net income to net cash (used in) provided by operating activities:    
Depreciation 2,340 2,220
Amortization of intangible assets 595 525
Amortization of financing fees 51 44
Stock-based compensation 943 753
Deferred income tax expense 1,386 1,211
Gain on litigation settlement (1,593) 0
Changes in operating assets and liabilities:    
Accounts receivable 9,211 (10,416)
Inventories, gross 1,147 (3,319)
Inventory reserves 652 1,123
Prepaid expenses and other assets (134) (1,575)
Income taxes receivable and payable 139 25
Accounts payable and other liabilities 1,652 1,125
Net cash provided by (used in) operating activities 21,720 (2,970)
INVESTING ACTIVITIES:    
Purchases of property, plant and equipment (3,101) (6,281)
Proceeds from sale of equipment 120 0
Purchase of SWE, net of cash acquired 0 (25,248)
Net cash used in investing activities (2,981) (31,529)
FINANCING ACTIVITIES:    
Repayment of revolving credit facility (10,182) 0
Repayment of term loan facility (5,660) (866)
Proceeds from exercise of stock options 238 930
Tax withholdings on stock-based awards (90) (8)
Proceeds from revolving credit facility 0 10,182
Proceeds from term loan facility 0 8,000
Repurchase of common stock 0 (1,957)
Payment of debt issuance costs 0 (157)
Net cash (used in) provided by financing activities (15,694) 16,124
Effect of exchange rate changes on cash 203 (154)
INCREASE (DECREASE) IN CASH 3,248 (18,529)
Cash - Beginning of year 7,405 25,934
Cash - End of year 10,653 7,405
Supplemental cash flow information:    
Construction in process in accounts payable 675 74
Income taxes paid 264 266
Interest paid 375 576
Paycheck Protection Program CARES Act [Member]    
FINANCING ACTIVITIES:    
Proceeds from Paycheck Protection Program loan 3,459 0
Repayment of Paycheck Protection Program loan $ (3,459) $ 0