| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||||
Net loss | ||||||||||
-32,840 | -32,506 | -25,771 | - | - | - | - | - | - | - | - |
Net loss | ||||||||||
- | - | - | -21,672 | -17,934 | -15,820 | -507 | 8,272 | 5,656 | 4,174 | -2,757 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||||
Depreciation, amortization and write-off of property and equipment | ||||||||||
1,449 | 1,554 | 1,430 | 1,336 | 1,237 | 974 | 742 | 600 | 613 | 565 | 558 |
Amortization and write-off of intangibles | ||||||||||
758 | 589 | 996 | 1,121 | 1,196 | 1,340 | - | - | - | - | - |
Amortization and write-off of intangibles | ||||||||||
- | - | - | - | - | - | 1,247 | 385 | 143 | 79 | 31 |
Changes in allowance for doubtful accounts | ||||||||||
- | - | - | 0 | -7 | -23 | 45 | - | - | - | - |
Gain on reversal of contingent merger consideration | ||||||||||
- | - | - | - | - | - | 190 | - | - | - | - |
Stock-based compensation | ||||||||||
8,214 | 7,298 | 6,757 | 5,553 | 5,077 | 5,403 | 4,502 | 5,256 | 4,216 | 3,068 | 2,444 |
Deferred income taxes | ||||||||||
- | - | - | - | - | 2,085 | -715 | - | - | - | - |
Tax expense from stock-based awards | ||||||||||
- | - | - | - | - | - | 855 | - | 1,873 | - | - |
Tax benefit (expense) from stock-based awards | ||||||||||
- | - | - | - | - | - | - | 3,688 | - | - | - |
Tax benefit from stock-based awards | ||||||||||
- | - | - | - | - | - | - | - | - | - | 0 |
Excess tax benefit from stock-based awards | ||||||||||
- | - | - | - | - | - | 201 | 3,044 | 1,068 | - | - |
Net loss from joint ventures | ||||||||||
- | - | - | - | - | - | - | -1,107 | -2,714 | -2,180 | -691 |
Deferred income taxes | ||||||||||
- | - | - | - | - | - | - | -284 | -3,640 | - | 0 |
Changes in operating assets and liabilities: | ||||||||||
Trade accounts receivable | ||||||||||
133 | -2,516 | 1,326 | 462 | 64 | -1,316 | 1,667 | 187 | 21 | -89 | -269 |
Other current assets | ||||||||||
356 | -92 | 476 | 208 | -1,124 | 1,028 | - | - | - | - | - |
Other current assets | ||||||||||
- | - | - | - | - | - | 342 | -219 | -240 | 473 | -3 |
Other assets | ||||||||||
-474 | 57 | -5 | -7 | -40 | -192 | 404 | -201 | -107 | 32 | 283 |
Accounts payable and other accrued liabilities | ||||||||||
702 | -744 | 585 | 637 | 125 | -635 | 124 | -228 | -668 | 507 | -65 |
Deferred revenue | ||||||||||
-41 | 182 | 189 | - | - | - | - | - | - | - | - |
Lease liability and other long-term liabilities | ||||||||||
-639 | -134 | - | - | - | - | - | - | - | - | - |
Deferred revenue | ||||||||||
- | - | - | -176 | -534 | -537 | 1,694 | -384 | 88 | 275 | -112 |
Net cash used in operating activities | ||||||||||
- | - | - | -13,864 | -9,740 | -6,733 | 3,473 | 15,601 | - | - | - |
Net cash used in operating activities | ||||||||||
-22,412 | -21,210 | -17,611 | - | - | - | - | - | 10,253 | 10,432 | 779 |
Cash flows from investing activities: | ||||||||||
Purchase of property and equipment | ||||||||||
1,055 | 1,292 | 2,188 | 1,837 | 1,218 | 1,399 | 1,644 | 570 | 678 | 781 | 460 |
Capitalized patent costs | ||||||||||
659 | 747 | 819 | 790 | 895 | 1,190 | 1,098 | 1,170 | 712 | 914 | 842 |
Investments in joint ventures, net | ||||||||||
- | - | - | - | - | - | - | 692 | 2,100 | 2,800 | 1,100 |
Business acquisitions, net of cash acquired | ||||||||||
- | - | - | - | - | - | - | 5,092 | - | - | - |
Maturity of marketable securities | ||||||||||
42,084 | 34,558 | 60,360 | 41,052 | 42,264 | 28,074 | 55,627 | 144,214 | 74,689 | 122,176 | 43,708 |
Purchase of marketable securities | ||||||||||
51,310 | 24,021 | 38,387 | 53,914 | 45,340 | 29,871 | 54,590 | 146,444 | 65,044 | 127,878 | 50,626 |
Net cash provided by investing activities | ||||||||||
- | - | - | -15,489 | -5,189 | -4,386 | -1,705 | -9,754 | - | - | - |
Net cash provided by investing activities | ||||||||||
-10,940 | 8,498 | 18,966 | - | - | - | - | - | 6,155 | -10,197 | -9,320 |
Cash flows from financing activities: | ||||||||||
Issuance of common stock, net of issuance costs | ||||||||||
19,615 | 0 | 29,677 | 39,700 | 12,896 | 15,989 | - | - | - | - | - |
Issuance of common stock, net of issuance costs | ||||||||||
- | - | - | - | - | - | - | - | - | 3,045 | 273 |
Exercise of stock options | ||||||||||
1,178 | 1,256 | 1,183 | 668 | 1,514 | 1,487 | - | - | - | - | - |
Purchase of common stock | ||||||||||
3,506 | 2,089 | 3,030 | 2,537 | 2,443 | 2,392 | 1,822 | 3,100 | 20,397 | 5,824 | 1,737 |
Cash dividends paid | ||||||||||
- | - | - | - | - | 1,654 | 3,202 | 2,344 | - | - | - |
Principal payments under capital lease obligations | ||||||||||
- | - | - | - | - | - | - | - | - | - | 39 |
Excess tax benefit from stock-based awards | ||||||||||
- | - | - | - | - | - | 201 | 3,044 | 1,068 | - | - |
Net cash provided by (used in) financing activities | ||||||||||
- | - | - | 37,831 | 11,967 | 13,430 | -4,823 | -2,400 | - | - | - |
Net cash used in financing activities | ||||||||||
17,287 | -833 | 27,830 | - | - | - | - | - | -19,329 | -2,779 | -1,503 |
Net decrease in cash and cash equivalents | ||||||||||
-16,065 | -13,545 | - | - | - | - | - | - | - | - | - |
Net increase (decrease) in cash and cash equivalents | ||||||||||
- | - | 29,185 | 8,478 | -2,962 | 2,311 | -3,055 | 3,447 | -2,921 | -2,544 | -10,044 |
Supplemental disclosure of cash flow information: | ||||||||||
Cash received (paid) for income taxes, net | ||||||||||
90 | 88 | -37 | -38 | 1,233 | 263 | -46 | 1,819 | 13 | 42 | 23 |
Supplemental schedule of non-cash activities: | ||||||||||
Property and equipment and patent costs in accounts payable | ||||||||||
35 | -79 | -153 | 35 | 73 | - | - | - | - | - | - |
Property and equipment and patent costs in accounts payable | ||||||||||
- | - | - | - | - | 140 | 40 | - | - | - | - |
Stock-based compensation capitalized to software and patent costs | ||||||||||
174 | 170 | 197 | 164 | 174 | 177 | 137 | 108 | 65 | - | - |
Right of use assets obtained in exchange for lease obligations | ||||||||||
2,709 | 0 | - | - | - | - | - | - | - | - | - |
Stock-based compensation capitalized to patent costs | ||||||||||
- | - | - | - | - | - | - | - | - | 37 | 35 |
Exercise of stock options | ||||||||||
- | - | - | - | - | - | - | - | 0 | 3,045 | - |