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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Cash flows related to operating activities:    
Net Income $ 1,038 $ 131
Adjustments to reconcile net income to net cash used in operating activities:    
Depreciation and amortization 502 428
Loss on disposal of property 1 16
Stock based compensation 85 107
Increase in inventory reserve 54 12
Increase in warranty reserve 217 1
Change in assets and liabilities:    
Accounts receivable (1,536) 141
Inventories (850) 211
Prepaid income taxes (149) (24)
Other current assets (180) 9
Other non-current assets 6 (378)
Accounts payable 1,169 (512)
Accrued employee compensation and benefit costs 293 66
Other accrued liabilities (473) (96)
Accrued income taxes (414) (193)
Net cash used in operating activities (237) (81)
Cash flows related to investing activities:    
Capital expenditures - property, plant and equipment (984) (571)
Proceeds from sale of assets   180
Net cash used in investing activities (984) (391)
Cash flows related to financing activities:    
Principal payments on long-term debt (274) (295)
Principal payments on capital lease obligations (73)  
Proceeds from capital leases 210  
Purchase of treasury shares (150) (160)
Net cash used in financing activities (287) (455)
Net decrease in cash and cash equivalents (1,508) (927)
Cash and cash equivalents at beginning of period 4,707 3,515
Cash and cash equivalents at end of period $ 3,199 $ 2,588