| 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 Income (Loss) Attributable to Parent | ||||||||||
882 | 29,205 | 5,207 | 17,297 | 19,933 | 19,918 | 18,244 | 14,738 | -7,040 | -4,384 | -1 |
Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||
Depreciation and amortization | ||||||||||
11,361 | 10,615 | 8,041 | 3,658 | 3,291 | 4,317 | 5,131 | 6,519 | 8,097 | 7,286 | 3,634 |
Loss on disposal and abandonment of intangible assets | ||||||||||
-67 | -2,117 | -1,146 | -21 | -225 | -215 | -168 | -195 | -54 | -47 | -66 |
Purchase accounting adjustments to goodwill | ||||||||||
0 | 0 | -23 | 520 | 0 | 0 | - | - | 1,354 | - | - |
Loss on disposal and impairment of property and equipment, net | ||||||||||
-2,542 | -303 | 28 | -42 | 19 | -17 | 27 | -161 | -2,800 | -73 | - |
Bond premium amortization | ||||||||||
- | - | - | 1,265 | 1,650 | 957 | 289 | 29 | 371 | - | - |
Change in provision for doubtful accounts | ||||||||||
- | - | - | - | - | - | - | -242 | 296 | 48 | 82 |
Change in provision for excess and obsolete inventory | ||||||||||
- | - | - | - | - | - | - | 554 | 4,610 | - | - |
Change in provision for warranty expense | ||||||||||
- | - | - | - | - | - | - | -527 | -310 | 843 | 92 |
Provision for excess and obsolete inventory | ||||||||||
- | - | - | - | - | - | - | - | - | 1,278 | 821 |
Stock-based compensation | ||||||||||
78,495 | 21,879 | 15,610 | 9,369 | 7,263 | 5,579 | 4,340 | 3,422 | 3,038 | 3,682 | 4,988 |
Deferred income taxes | ||||||||||
-7,987 | -3,592 | 2,830 | -5,167 | 994 | 3,598 | 621 | 1,683 | -2,481 | -1,088 | -1,188 |
Unrecognized tax benefits | ||||||||||
983 | 1,144 | -191 | 582 | -156 | 202 | 219 | 920 | -299 | 17 | 572 |
Other noncash, net | ||||||||||
3,928 | 34 | 657 | - | - | - | - | - | - | - | - |
Tax benefit from stock-based compensation | ||||||||||
- | - | - | 1,438 | 6,936 | 7,985 | 6,797 | 4,713 | 10 | 52 | 31 |
Change in assets and liabilities: | ||||||||||
Accounts and notes receivable and contract assets | ||||||||||
38,830 | 67,643 | 35,305 | 28,438 | -3,017 | 8,247 | 4,387 | 6,080 | -1,463 | -1,768 | -1,326 |
Inventory | ||||||||||
4,903 | -14,804 | 11,746 | 18,668 | -3,140 | 7,214 | 116 | 62 | -1,328 | 4,007 | 2,440 |
Prepaid expenses and other assets | ||||||||||
9,845 | 12,739 | 8,992 | 10,611 | 7,352 | 1,080 | 569 | -177 | 374 | 1,715 | -976 |
Accounts payable, accrued and other liabilities | ||||||||||
4,967 | 13,506 | 1,530 | 18,399 | 5,868 | 9,852 | 6,560 | 4,433 | 3,412 | -3,246 | 1,031 |
Deferred revenue | ||||||||||
24,013 | 54,242 | 39,735 | 34,304 | 15,289 | 15,469 | 8,096 | 4,169 | 296 | 163 | 142 |
Customer deposits | ||||||||||
- | - | - | - | 238 | -166 | 654 | 87 | 41 | 16 | 43 |
Net cash provided by (used in) operating activities | ||||||||||
65,673 | 63,875 | 18,471 | 21,135 | 46,445 | 35,432 | 32,426 | 26,517 | 17,266 | 731 | 10,117 |
Cash flows from investing activities: | ||||||||||
Purchases of investments | ||||||||||
354,477 | 4,331 | 19,950 | 56,086 | 62,464 | 32,900 | 29,112 | 6,242 | 11,479 | - | - |
Proceeds from call / maturity of investments | ||||||||||
130,083 | 11,158 | 61,080 | 64,951 | 44,105 | 10,997 | 9,380 | 9,640 | 6,000 | - | 2,500 |
Purchases of property and equipment | ||||||||||
15,939 | 11,139 | 10,419 | 4,957 | 6,003 | 2,505 | 1,783 | 1,334 | 1,854 | 4,023 | 13,708 |
Proceeds from disposal of property and equipment | ||||||||||
0 | 0 | 24 | 42 | 40 | 10 | 34 | 46 | 149 | 30 | - |
Purchases of intangible assets | ||||||||||
404 | 558 | 1,024 | 3,495 | 501 | 183 | 323 | 429 | 413 | 478 | 471 |
Business acquisitions, net of cash acquired | ||||||||||
0 | 4,990 | 10,629 | 3,500 | 11,186 | 0 | 1,258 | - | - | - | - |
Net cash used in investing activities | ||||||||||
-240,737 | -9,860 | 19,082 | -3,045 | -36,009 | -24,581 | -23,062 | 1,681 | -7,597 | -4,471 | -11,679 |
Cash flows from financing activities: | ||||||||||
Net proceeds from equity offering | ||||||||||
0 | 233,993 | 0 | 0 | - | - | - | - | - | - | - |
Repurchase of common stock | ||||||||||
- | - | - | 33,746 | 7,556 | 22,442 | 25,000 | 19,996 | 32,499 | - | - |
Repurchase of stock options | ||||||||||
- | - | - | - | - | - | - | - | - | 124 | - |
Proceeds from options exercised | ||||||||||
114 | 1,757 | 1,383 | 478 | 2,673 | 11,000 | 15,357 | 1,929 | 1,427 | 1,001 | 155 |
Income and payroll tax payments for net-settled stock awards | ||||||||||
4,051 | 14,127 | 3,453 | 1,772 | 1,370 | 1,347 | 309 | - | - | - | - |
Payment of contingent consideration for business acquisitions | ||||||||||
0 | 2,275 | 1,750 | - | - | - | - | - | - | - | - |
Payments on capital lease obligation | ||||||||||
- | - | - | - | 80 | 36 | 34 | 9 | - | - | - |
Payment of contingent consideration for a business acquisition | ||||||||||
- | - | - | 952 | 0 | 0 | - | - | - | - | - |
Excess tax benefit from stock-based compensation | ||||||||||
- | - | - | 1,438 | 6,936 | 7,985 | 6,797 | 4,713 | 10 | 52 | 31 |
Net cash used in financing activities | ||||||||||
-3,937 | 219,348 | -3,820 | -34,554 | 603 | -4,840 | -3,189 | -13,363 | -31,062 | 929 | 187 |
Effect of exchange rate changes on cash and cash equivalents | ||||||||||
329 | -774 | 737 | 906 | 120 | 85 | -31 | -9 | 10 | -10 | - |
Net decrease in cash and cash equivalents | ||||||||||
-178,672 | 272,589 | 34,470 | -15,558 | 11,159 | 6,096 | 6,144 | 14,826 | -21,383 | -2,820 | -1,375 |
Non-cash transactions | ||||||||||