| Jun'19 | Jun'18 | Jun'17 | Jun'16 | Jun'15 | Jun'14 | Jun'13 | Jun'12 | Jun'11 | Jun'10 |
|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities | |||||||||
Net loss | |||||||||
-255 | 1,712 | -1,792 | -56,024 | -32,822 | -35,290 | -24,037 | -16,790 | -11,125 | -23,904 |
Adjustments to reconcile net loss to net cash from operating activities | |||||||||
Amortization of intangible assets | |||||||||
296 | 204 | 218 | 231 | 171 | 124 | 70 | 55 | 54 | 51 |
Depreciation of property and equipment | |||||||||
3,150 | 3,730 | 3,917 | 3,686 | 2,150 | 1,243 | 903 | 817 | 662 | 548 |
Provision for doubtful accounts | |||||||||
- | 225 | - | 725 | 1,121 | 65 | - | - | - | - |
Provision for doubtful accounts | |||||||||
125 | 125 | 465 | - | - | - | 195 | 60 | -36 | 137 |
Write-off of patent costs | |||||||||
800 | 497 | 733 | 168 | 43 | 64 | 130 | 162 | 0 | - |
Stock-based compensation | |||||||||
11,266 | 10,302 | 10,354 | 12,977 | 14,718 | 10,928 | 7,442 | 5,165 | 6,468 | 9,094 |
Accretion (Amortization) of Discounts and Premiums, Investments | |||||||||
55 | 0 | 0 | - | - | - | - | - | - | - |
Amortization of discount on debt, net | |||||||||
- | - | - | - | - | 137 | -59 | -68 | -25 | 257 |
Debt conversion and valuation of conversion options, net | |||||||||
- | - | - | - | - | -716 | -181 | -736 | -859 | - |
Loss on disposal of property and equipment and other | |||||||||
-42 | -16 | -296 | -170 | -121 | 0 | 0 | - | - | - |
Other | |||||||||
- | - | - | 0 | 0 | - | - | -260 | 250 | - |
Changes in assets and liabilities | |||||||||
Gain on investments | |||||||||
- | - | - | - | - | - | - | - | - | 150 |
Accounts receivable | |||||||||
4,915 | 2,878 | 5,809 | -7,327 | 10,568 | 6,718 | 1,281 | 391 | 3,718 | 1,057 |
Inventories | |||||||||
1,453 | -292 | -543 | 3,474 | 1,076 | 6,647 | -818 | 1,243 | 1,499 | 950 |
Prepaid expenses and other assets | |||||||||
393 | -2,308 | 1,823 | -728 | 1,183 | 564 | -925 | 379 | -323 | -6 |
Accounts payable | |||||||||
566 | 104 | 1,761 | -970 | 581 | 2,375 | 1,467 | 269 | 1,828 | -1,398 |
Accrued expenses and other liabilities | |||||||||
2,918 | -6,577 | 725 | 10,873 | 4,387 | 6,729 | 2,481 | 7 | -2,402 | 3,799 |
Deferred revenue | |||||||||
-1,884 | 189 | 10,000 | 0 | 0 | - | - | - | - | - |
Net cash (used in) provided by operating activities | |||||||||
10,208 | 9,674 | 19,588 | -23,583 | -22,357 | -26,838 | -10,765 | -11,340 | -8,361 | -13,567 |
Cash flows from investing activities | |||||||||
Purchases of property and equipment | |||||||||
2,665 | 1,956 | 981 | 3,818 | 20,325 | 12,717 | 1,672 | 437 | 1,081 | 793 |
Purchase of investments | |||||||||
3,055 | 2,538 | 0 | 0 | - | - | - | - | - | - |
Payments to Acquire Debt Securities, Available-for-sale | |||||||||
47,892 | 0 | 0 | 37 | 2,112 | 0 | 0 | - | - | - |
Sales of marketable securities | |||||||||
150 | 194 | 46 | 1,249 | 365 | 0 | 0 | - | - | - |
Sales of investments | |||||||||
- | - | - | - | - | - | - | - | - | 22,950 |
Costs incurred in connection with patents | |||||||||
890 | 1,113 | 844 | 813 | 955 | 702 | 783 | 538 | 656 | 400 |
Proceeds from convertible note receivable | |||||||||
0 | 318 | 0 | 350 | 0 | 0 | - | - | - | - |
Net cash provided by (used in) investing activities | |||||||||
-54,352 | -5,095 | -1,779 | -3,769 | -23,027 | -13,419 | -2,455 | -975 | -1,737 | 21,757 |
Cash flows from financing activities | |||||||||
Proceeds from employee stock purchase plan | |||||||||
3,752 | 3,242 | 3,254 | 3,142 | 2,882 | 3,371 | 1,752 | 1,418 | 965 | 1,197 |
Payments of employee taxes related to vested restricted stock | |||||||||
1,791 | 0 | 0 | - | - | - | - | - | - | - |
Exercise of stock options | |||||||||
196 | 513 | 5,263 | 1,006 | 2,152 | 16,262 | 5,927 | 4,428 | 1,523 | 285 |
Payments on borrowings | |||||||||
- | - | - | - | 2,400 | 9,850 | 4,800 | 1,935 | 2,448 | 25,277 |
Proceeds from financing | |||||||||
0 | 0 | 20,944 | 0 | 0 | 4,800 | 4,500 | 7,885 | 7,500 | 5,911 |
Proceeds from (Payments for) Other Financing Activities | |||||||||
-36 | 14 | 4 | 0 | 0 | - | - | - | - | - |
Proceeds from sale of common stock, net of issuance costs | |||||||||
- | - | - | - | - | 84,369 | 38,209 | 14,889 | 0 | - |
Net cash (used in) provided by financing activities | |||||||||
2,121 | 3,769 | 29,465 | 4,148 | 2,634 | 98,952 | 45,588 | 26,685 | 7,540 | -17,884 |
Net change in cash and cash equivalents | |||||||||
-42,023 | 8,348 | 47,274 | -23,204 | -42,750 | 58,695 | 32,368 | 14,370 | -2,558 | -9,694 |
Change in equipment included in accounts payable | |||||||||
- | - | - | -374 | 469 | 825 | 66 | 497 | 216 | 97 |
Change in patent costs included in accounts payable | |||||||||
- | - | - | 87 | 52 | 90 | 43 | 28 | 236 | 97 |
Board retainer fees paid in stock | |||||||||
- | - | - | - | - | - | - | - | 0 | - |
Conversion of convertible debt | |||||||||
- | - | - | - | - | 5,252 | 4,900 | 160 | 0 | - |
Premium on convertible debt | |||||||||
- | - | - | - | - | - | 304 | 0 | - | - |
Beneficial conversion feature on convertible debt | |||||||||
- | - | - | - | - | - | 108 | 600 | 5,531 | - |
Net exercise of common stock warrants | |||||||||
- | - | - | - | - | 4,322 | 1,130 | 335 | 1,505 | - |
Issuance and expiration of common stock warrants | |||||||||
- | - | - | - | - | 92 | 0 | 267 | 1,263 | - |
Amendment of restricted stock units | |||||||||
- | - | - | - | - | - | - | - | - | 517 |
Other | |||||||||
- | - | - | - | - | - | - | - | 250 | - |
Supplemental cash flow information | |||||||||
Interest paid | |||||||||
1,684 | 1,717 | 500 | 0 | 23 | 534 | 1,132 | 1,383 | 1,447 | 1,161 |