XML 23 R7.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Cash flows from operating activities:    
Net income (loss) $ (346) $ 3,479
Adjustments to reconcile net income (loss) to operating cash flow:    
Depreciation and amortization 3,112 3,020
Loss on sale of investments, net 0 15
Deferred income taxes (352) (531)
Bad debt expense 480 0
Reserve for inventory obsolescence 374 200
Stock-based compensation 596 326
Loss on sale of property and equipment 38 284
(Increase) decrease in operating assets:    
Accounts receivable 780 292
Inventories (29) (579)
Refundable income taxes (2,038) 140
Prepaid expenses and other current assets (197) (584)
Increase (decrease) in operating liabilities:    
Accounts payable 1,130 (2,673)
Accrued expenses 711 599
Accrued income taxes (451) 1,116
Net cash provided by operating activities 3,808 5,104
Cash flows from investing activities:    
Purchases of investments (25) (559)
Proceeds from sale of investments 0 2,751
Redemption of certificates of deposit 0 513
Purchases of property and equipment (5,341) (3,237)
Proceeds from sale of property and equipment 50 172
Net cash used in investing activities (5,316) (360)
Cash flows from financing activities:    
Purchase of treasury stock (1,486) (738)
Repayment of notes payable (840) (840)
Net cash used in financing activities (2,326) (1,578)
Net (decrease) increase in cash and cash equivalents (3,834) 3,166
Cash and cash equivalents at the beginning of the year 8,812 5,646
Cash and cash equivalents at the end of the year 4,978 8,812
Supplemental cash flow information:    
Cash paid for income taxes, net of refunds 2,382 1,421
Cash paid for interest $ 241 $ 220