| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 | Dec'16 | Sep'16 | Jun'16 | Mar'16 | Dec'15 | Sep'15 | Jun'15 | Mar'15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from / (used in) operating activities: | ||||||||||||||||||||
Net income | ||||||||||||||||||||
8,571 | 12,834 | 17,690 | 13,796 | 9,010 | 7,928 | -7,652 | 10,733 | 10,515 | 320 | 15,103 | 9,865 | 3,963 | 2,976 | 2,567 | 1,873 | 2,738 | 3,275 | 2,943 | 2,509 | 3,041 |
Adjustments to reconcile net income to net cash from / (used in) operating activities: | ||||||||||||||||||||
Provision for credit losses on accounts receivable | ||||||||||||||||||||
1,900 | 500 | 200 | 200 | 300 | 0 | 43 | 44 | 13 | 860 | -380 | -108 | 128 | 233 | 154 | 106 | 155 | -144 | 31 | 101 | 288 |
Reserve for product returns | ||||||||||||||||||||
291 | -18 | -61 | 76 | -120 | 63 | 36 | 174 | 0 | 323 | 588 | 590 | 554 | 534 | 529 | 535 | 473 | 411 | 385 | 383 | 380 |
Provision for credit losses on notes receivable | ||||||||||||||||||||
-349 | - | 0 | -3,319 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Amortization on patents and tooling | ||||||||||||||||||||
199 | 194 | 172 | 167 | 167 | 199 | 189 | 276 | 236 | 148 | 243 | 327 | 247 | 236 | 186 | 230 | 134 | 133 | 134 | 74 | 50 |
Amortization and depreciation | ||||||||||||||||||||
6,422 | 6,301 | 5,467 | 5,138 | 5,228 | 5,567 | 5,891 | 5,238 | 5,025 | 4,953 | 5,071 | 4,846 | 2,864 | 1,627 | 1,659 | 1,613 | 1,591 | 1,438 | 1,504 | 1,528 | 1,338 |
Amortization of debt issuance costs | ||||||||||||||||||||
27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 23 | 24 | 23 | 24 | 25 | 28 | 26 | 27 | 27 | 26 | 28 |
Amortization of operating leases | ||||||||||||||||||||
2,045 | 3,304 | 1,358 | 1,135 | 1,803 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Deferred income taxes | ||||||||||||||||||||
1,327 | 1,097 | 2,129 | -762 | 135 | -2,374 | -7,770 | -1,542 | 204 | 8,848 | -3,527 | -1,710 | -1,123 | -122 | 924 | -652 | 113 | -360 | -185 | -1,242 | -883 |
Change in fair value of contingent liability | ||||||||||||||||||||
-568 | - | - | - | 0 | - | - | - | - | - | - | - | - | -4 | -36 | -130 | -60 | -650 | 110 | 70 | 0 |
Undistributed losses from equity investees | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 | -125 | 5 | -21 | -15 | -33 | -12 | -396 | -97 | -135 | -53 |
Stock-based compensation | ||||||||||||||||||||
6,358 | 5,882 | 5,035 | 5,420 | 4,266 | 3,759 | 3,457 | 3,544 | 2,669 | 2,279 | 1,906 | 1,915 | 1,313 | 1,121 | 1,086 | 942 | 852 | 669 | 1,289 | 828 | 561 |
Acquired in-process research and development | ||||||||||||||||||||
3,297 | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||||||||||||||
Accounts receivable | ||||||||||||||||||||
8,064 | 6,269 | 5,077 | 4,174 | 6,753 | -5,847 | 2,995 | 9,137 | 3,013 | 569 | -656 | 3,578 | -1,580 | 1,844 | 1,915 | 4,610 | 2,812 | -133 | -1,404 | 7,261 | 186 |
Inventory | ||||||||||||||||||||
2,673 | 8,503 | -2,917 | -1,819 | 2,724 | 6,084 | 2,188 | 1,828 | -1,287 | 560 | 3,354 | 2,974 | -3,553 | -962 | 2,052 | 1,869 | 1,109 | -3,102 | 1,308 | 375 | 1,041 |
Other current and non-current assets | ||||||||||||||||||||
6,108 | -3,926 | 2,104 | 3,800 | 909 | -5,187 | -4,420 | 3,929 | 5,563 | -5,580 | 2,697 | 6,093 | -668 | -2,219 | 1,546 | 1,709 | -199 | 821 | 733 | -71 | 1,242 |
Accounts payable, accrued expenses and other current liabilities | ||||||||||||||||||||
83 | 11,979 | -20,355 | 7,383 | -9,987 | 2,143 | 27,362 | 8,111 | -7,001 | -4,201 | 373 | 7,119 | 483 | 1,156 | 2,034 | 3,607 | 3,661 | -4,448 | 3,047 | 6,998 | 369 |
Deferred revenue | ||||||||||||||||||||
1,604 | -414 | -957 | -556 | 360 | -698 | -97 | -162 | -545 | -24 | 2 | -282 | -213 | 506 | -263 | 156 | 237 | -14 | 744 | 97 | 254 |
Operating lease liabilities | ||||||||||||||||||||
-2,259 | -7,587 | -77 | 1,304 | -1,908 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Other liabilities | ||||||||||||||||||||
812 | 215 | 30 | 200 | -42 | -317 | -957 | -150 | -334 | -123 | -198 | 1,701 | -1,066 | 1,424 | 224 | 501 | 1,076 | 3,647 | 3,944 | 387 | 453 |
Cash flows from / (used in) operating activities | ||||||||||||||||||||
12,900 | 23,265 | 980 | 24,054 | -1,187 | 25,732 | 19,774 | 11,684 | 3,520 | 18,642 | 13,809 | 11,767 | 12,969 | 11,069 | 3,591 | 654 | 7,286 | 6,843 | 13,460 | 4,253 | 3,463 |
Cash flows used in investing activities: | ||||||||||||||||||||
Business acquisitions, net of cash acquired | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 154,289 | 0 | 0 | 0 | 0 | -217 | 217 | 20 | 5,612 |
Additions to property and equipment | ||||||||||||||||||||
3,719 | 8,664 | 4,952 | 2,746 | 2,962 | 1,698 | 3,186 | 3,084 | 3,047 | 2,812 | 1,938 | 3,077 | 2,637 | 2,945 | 1,546 | 2,026 | 2,538 | 3,827 | 4,508 | 986 | 1,026 |
Purchases of in-process research and development | ||||||||||||||||||||
3,297 | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Issuances or purchases of notes receivable | ||||||||||||||||||||
0 | 29 | 6,013 | 0 | 20,061 | 1,287 | 0 | 0 | 0 | 3,000 | 1,000 | 3,000 | 1,000 | 3,000 | 0 | 0 | 73 | 89 | 98 | 121 | 98 |
Receipt of payment on notes receivable | ||||||||||||||||||||
3 | 1 | 24,295 | 7,400 | 0 | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 2,441 | 0 | 0 | 0 | 0 |
Cash flows used in investing activities | ||||||||||||||||||||
-7,013 | -67,525 | 12,480 | 4,654 | -23,023 | -4,060 | -3,186 | -3,084 | -3,047 | -5,812 | 1,020 | -6,077 | -157,926 | -5,945 | -3,146 | -2,165 | -170 | -3,892 | -4,823 | -2,181 | -6,736 |
Cash flows from financing activities: | ||||||||||||||||||||
Proceeds from credit facility | ||||||||||||||||||||
50,000 | - | - | - | 0 | - | - | - | - | 72,000 | 0 | 0 | 67,000 | 0 | 0 | 0 | 0 | - | - | - | - |
Repayments of credit facility | ||||||||||||||||||||
0 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 73,000 | 700 | 1,000 | 0 | - | - | - | - | - | - | - | - |
Payments of offering costs | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 1,427 | 1,067 | 138 |
Purchases of treasury stock | ||||||||||||||||||||
5,149 | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Proceeds from early exercise of stock-based awards | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 5 | 0 | 115 | 9 |
Issuances of common stock from equity-based plans | ||||||||||||||||||||
1,365 | 566 | 1,012 | 701 | 1,591 | 1,146 | 2,696 | 1,562 | 996 | 297 | 1,602 | 1,078 | 473 | 459 | 775 | 56 | 371 | 44 | 116 | 172 | 12 |
Tax windfall benefit from stock-based awards | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 416 | 403 | 7 |
Cash flows from financing activities | ||||||||||||||||||||
46,216 | -434 | 12 | -299 | 591 | 146 | 1,696 | 561 | -4 | -1,141 | 895 | 76 | 67,473 | 460 | 441 | -170 | 371 | -1,194 | 97,081 | -20,378 | -110 |
Net increase / (decrease) in cash and cash equivalents | ||||||||||||||||||||
52,103 | -44,694 | 13,472 | 28,409 | -23,619 | 21,818 | 18,284 | 9,161 | 469 | 11,689 | 15,724 | 5,766 | -77,484 | 5,584 | 886 | -1,681 | 7,487 | 1,757 | 105,718 | -18,306 | -3,383 |
Noncash investing and financing activities: | ||||||||||||||||||||
Assumed options from business acquisition | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | - | - | - | - |
Cash not yet paid for capital expenditures | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | 876 | 14 | -926 | 1,271 | 393 | 120 | 112 | 0 |
Cash not yet paid for business and asset acquisitions - holdback | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -217 | 417 | -200 | -217 | 0 | 834 |
Contingent liability from business acquisition | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | -35 | -130 | 170 | -650 | 250 | -70 | 700 |
Deferred offering costs in accounts payable, accrued expenses and other current liabilities | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 785 | 555 |