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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Cash flows related to operating activities:    
Net income $ 26 $ 258
Adjustments to reconcile net income to net cash provided (used) by operating activities    
Depreciation and amortization 210 207
Loss on disposal of property 14
Stock based compensation 53 90
Increase (decrease) in inventory reserve 13 (2)
Increase (decrease) in allowance for doubtful accounts 1 (2)
Change in assets and liabilities:    
Accounts receivable 531 (26)
Inventories (43) (917)
Prepaid income taxes (25) 109
Other current assets (278) (673)
Other non-current assets (3) (5)
Accounts payable (534) 445
Accrued employee compensation and benefit costs 162 376
Other accrued liabilities (69) 53
Net cash provided (used) by operating activities 58 (87)
Cash flows related to investing activities:    
Capital expenditures - property, plant and equipment (183) (178)
Proceeds from sale of assets 180
Net cash used in investing activities (3) (178)
Cash flows related to financing activities:    
Principal payments on long-term debt (158) (137)
Purchase of treasury shares (160) (165)
Net cash used in financing activities (318) (302)
Net decrease in cash and cash equivalents (263) (567)
Cash and cash equivalents at beginning of period 3,515 3,268
Cash and cash equivalents at end of period $ 3,252 $ 2,701