| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 |
|---|---|---|---|---|---|---|---|---|---|
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] | |||||||||
Net Cash Provided by (Used in) Operating Activities [Abstract] | |||||||||
Net income | |||||||||
774 | 2,827 | 1,312 | 11,562 | -2,089 | -1,487 | -6,168 | -6,711 | 4,357 | 3,135 |
Adjustments to reconcile net income to net cash provided by (used in) operating activities: | |||||||||
Depreciation, Depletion and Amortization | |||||||||
2,832 | 2,499 | 2,285 | 2,086 | 1,968 | 1,914 | 1,673 | 1,843 | 1,955 | 2,263 |
Non-cash operating lease expense | |||||||||
828 | 0 | - | - | - | - | - | - | - | - |
Provision for Doubtful Accounts | |||||||||
8 | -159 | -48 | 24 | -44 | -75 | -51 | -165 | -62 | -27 |
Deferred Income Tax Expense (Benefit) | |||||||||
393 | 371 | -297 | -5,269 | 38 | 120 | 279 | 4,808 | 629 | 331 |
Foreign currency transaction losses (gains) | |||||||||
-127 | 155 | -115 | 341 | 225 | 230 | -87 | 12 | 68 | - |
Excess tax benefits from equity compensation plans | |||||||||
- | - | - | - | - | - | - | - | 3 | 6 |
Realized gains on available-for-sale securities | |||||||||
- | - | - | - | - | 2 | -21 | 8 | - | - |
Unrealized loss on available-for-sale equity security | |||||||||
- | - | - | - | - | - | - | 42 | - | - |
Foreign currency transaction (gains) losses | |||||||||
- | - | - | - | - | - | - | - | - | 129 |
Share-based Compensation | |||||||||
991 | 936 | 895 | 863 | 511 | 436 | 447 | 449 | 430 | 391 |
Available-for-sale Equity Securities, Gross Unrealized Loss | |||||||||
12 | 37 | 0 | - | - | - | - | - | - | - |
Realized gain on available-for-sale marketable securities | |||||||||
0 | 3 | 0 | - | - | - | - | - | - | - |
Gain on sale of equipment | |||||||||
26 | 0 | - | - | - | - | - | - | - | - |
Increase (Decrease) in Operating Capital [Abstract] | |||||||||
Increase (Decrease) in Accounts Receivable | |||||||||
1,170 | 4,928 | -171 | 2,769 | 161 | 646 | 382 | -5,945 | 549 | 2,875 |
Increase (Decrease) in Inventories | |||||||||
439 | 2,845 | 3,163 | -1,029 | 2,489 | 647 | -561 | 1,801 | -2,859 | 6,624 |
Prepaid expenses and other assets | |||||||||
-539 | 542 | - | - | - | - | - | - | - | - |
Income tax refunds receivable | |||||||||
- | - | - | - | - | - | -1,325 | 1,129 | -184 | -2,105 |
Increase (Decrease) in Other Current Assets | |||||||||
- | - | 31 | 346 | 24 | 16 | -31 | -154 | -65 | -147 |
Increase (Decrease) in Accounts Payable | |||||||||
-1,529 | 4,266 | -2,100 | 550 | 1,146 | 1,491 | 182 | -1,696 | -1,095 | 1,456 |
Increase (Decrease) in Customer Advances and Deposits | |||||||||
-49 | 10 | - | - | - | - | - | - | - | - |
Increase (Decrease) in Customer Advances | |||||||||
- | - | 62 | -153 | -9 | -534 | 8 | -299 | -144 | 495 |
Increase (Decrease) in Accrued Liabilities | |||||||||
-856 | 1,782 | -1,627 | 1,888 | -1,011 | 503 | -253 | -1,412 | 638 | - |
Operating lease liabilities | |||||||||
-308 | 0 | - | - | - | - | - | - | - | - |
Net Cash Provided by (Used in) Operating Activities, Continuing Operations. | |||||||||
2,127 | 4,096 | -2,426 | 9,124 | -2,389 | - | - | - | - | - |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] | |||||||||
Accrued expenses and other liabilities | |||||||||
- | - | - | - | - | - | - | - | - | 1,100 |
Net cash provided by operating activities | |||||||||
- | - | - | - | - | 827 | -2,240 | 8 | 9,196 | 1,762 |
Net Cash Provided by (Used in) Investing Activities [Abstract] | |||||||||
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities | |||||||||
7,835 | 8,053 | 6,931 | 4,690 | 5,167 | 7,080 | 8,341 | 13,241 | 10,053 | 16,965 |
Proceeds from sales of marketable securities | |||||||||
0 | 545 | 0 | 1,502 | 1,518 | 5,050 | 5,047 | 3,154 | 3,175 | 3,241 |
Purchases of available-for-sale marketable securities | |||||||||
12,033 | 8,944 | 7,475 | 8,127 | 4,934 | - | - | - | - | - |
Proceeds from Sale of Property, Plant, and Equipment | |||||||||
84 | 0 | - | - | - | - | - | - | - | - |
Purchases of available-for-sale marketable securities | |||||||||
- | - | - | - | - | 7,147 | 11,648 | 21,630 | 16,304 | 16,572 |
Purchase of LDI | |||||||||
- | - | - | - | - | 3,108 | 0 | - | - | - |
Payments to Acquire Property, Plant, and Equipment | |||||||||
1,301 | 1,964 | 1,226 | 1,363 | 691 | 1,251 | 681 | 1,350 | 772 | 1,109 |
Payments to Acquire Intangible Assets | |||||||||
150 | 115 | 120 | 71 | 106 | 111 | 68 | 113 | 104 | 202 |
Net cash used in investing activities | |||||||||
-5,565 | -2,425 | -1,890 | -3,369 | 954 | - | - | - | - | - |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] | |||||||||
Net cash used in investing activities | |||||||||
- | - | - | - | - | 513 | 991 | -6,698 | -3,952 | 2,323 |
Net Cash Provided by (Used in) Financing Activities [Abstract] | |||||||||
Proceeds from exercise of stock options | |||||||||
248 | 525 | 378 | 474 | 458 | 628 | 25 | 27 | 1 | 26 |
Payments Related to Tax Withholding for Share-based Compensation | |||||||||
67 | 123 | 35 | 9 | 0 | - | - | - | - | - |
Payments for Repurchase of Common Stock | |||||||||
353 | 0 | 240 | 0 | 0 | - | 2,979 | 21 | - | - |
Excess tax benefits from equity compensation plans | |||||||||
- | - | - | - | - | - | - | - | 3 | 6 |
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options | |||||||||
203 | 219 | 258 | 181 | 178 | 113 | 65 | 139 | 201 | 175 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations | |||||||||
31 | 621 | 361 | 646 | 636 | - | - | - | - | - |
Net Cash Provided by (Used in) Financing Activities | |||||||||
- | - | - | - | - | 741 | -2,889 | 145 | 205 | 207 |
Effect of Exchange Rate on Cash and Cash Equivalents | |||||||||
-5 | 12 | 259 | -35 | -98 | -11 | -101 | 94 | -85 | -42 |
Net increase in cash and cash equivalents | |||||||||
-3,412 | 2,304 | -3,696 | 6,366 | -897 | 2,070 | -4,239 | -6,451 | 5,364 | 4,250 |