| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|---|
OPERATING ACTIVITIES: | ||||||||
Net loss | ||||||||
-31,829 | -22,110 | -13,090 | -11,300 | -21,351 | -25,272 | -23,508 | -21,639 | -13,844 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation and amortization | ||||||||
3,304 | 3,448 | 2,952 | 2,657 | 2,354 | 2,169 | 2,003 | 1,569 | 1,395 |
Amortization of right-of-use assets | ||||||||
1,496 | - | - | - | 802 | - | - | - | - |
Charge of in-process research and development costs with no alternative future use | ||||||||
8,500 | - | - | - | 0 | - | - | - | - |
Unrealized translation gains (loss) on obligation related to royalty | ||||||||
0 | -183 | 279 | -93 | 144 | 106 | 46 | 411 | -206 |
Re-valuation of contingent consideration | ||||||||
-190 | - | - | - | 0 | - | - | - | - |
Non-cash stock-based compensation | ||||||||
6,338 | 5,072 | 5,485 | 3,215 | 3,182 | 2,563 | 1,831 | 1,180 | 1,277 |
Non-cash interest expense | ||||||||
- | - | - | - | - | 3 | 3 | 4 | 3 |
Amortization of premium (discount) on marketable securities | ||||||||
-580 | 357 | 677 | 723 | 553 | 453 | 109 | -228 | 78 |
Others | ||||||||
56 | - | - | - | 0 | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||
Accounts receivable, net | ||||||||
179 | 8,297 | -674 | 11,374 | -11,608 | 21,050 | 4,077 | -1,601 | -623 |
Inventory | ||||||||
9,967 | 421 | 584 | 3,920 | 1,120 | 2,061 | 347 | -238 | -321 |
Prepaid expenses and other current assets | ||||||||
2,598 | 5,732 | 1,575 | -2,069 | 947 | 1,180 | 987 | 184 | 1,312 |
Other assets | ||||||||
-161 | 1,809 | -86 | 296 | 833 | 548 | 158 | 0 | -255 |
Accounts payable | ||||||||
9,491 | 3,915 | -2,987 | 6,023 | -2,610 | 1,698 | 2,525 | -1,166 | 1,989 |
Accrued compensation | ||||||||
4,378 | -6,047 | 10,917 | -996 | 1,697 | 5,556 | 2,468 | 659 | -608 |
Accrued expenses | ||||||||
-660 | 2,845 | 3,429 | 631 | 2,308 | -255 | -1,941 | 1,374 | 1,108 |
Operating lease liabilities | ||||||||
-1,858 | - | - | - | 329 | - | - | - | - |
Deferred rent | ||||||||
- | - | - | - | - | -221 | -220 | -245 | -621 |
Deferred revenue | ||||||||
-341 | -818 | -3,401 | -617 | 975 | 12,183 | 82 | -731 | 1,491 |
Other liabilities | ||||||||
36 | - | - | - | 0 | - | - | - | - |
Net cash used in operating activities | ||||||||
-13,282 | -30,342 | 1,347 | -13,836 | -4,303 | -26,538 | -22,047 | -17,041 | -6,559 |
INVESTING ACTIVITIES: | ||||||||
Purchases of marketable securities | ||||||||
55,760 | 71,822 | 123,627 | 372,875 | 45,966 | 238,757 | 4,623 | 24,436 | 19,634 |
Maturity of marketable securities | ||||||||
104,048 | 102,269 | 93,904 | 65,160 | 64,000 | 44,000 | 35,000 | 43,500 | 32,125 |
Purchases of property and equipment | ||||||||
9,598 | 7,089 | 5,876 | 3,047 | 2,705 | 2,931 | 5,912 | 7,339 | 4,021 |
Purchase of intangible assets | ||||||||
17,886 | - | - | - | 0 | - | - | - | - |
Net cash provided by investing activities | ||||||||
20,804 | 23,358 | -35,730 | -320,527 | 15,329 | -197,688 | 24,465 | 11,725 | 8,470 |
FINANCING ACTIVITIES: | ||||||||
Payments made on royalty obligations | ||||||||
0 | 83 | 77 | 78 | 73 | 0 | 0 | 0 | 0 |
Payments made on capital lease obligations | ||||||||
38 | 49 | 17 | 41 | 21 | 23 | 21 | 352 | 47 |
Proceeds from issuance of common stock upon exercise of stock options | ||||||||
1,504 | 1,844 | 4,265 | 4,992 | 538 | 539 | 838 | 424 | 1,310 |
Proceeds from issuance of common stock upon the exercise of warrants | ||||||||
- | - | - | - | - | 7 | 32 | 2 | 4 |
Proceeds from issuances of common stock under employee stock purchase plan | ||||||||
0 | - | 3,185 | 0 | 1,933 | - | 0 | 0 | 0 |
Payment of offering costs related to initial public offering and follow-on offering | ||||||||
0 | -88 | 485 | 237 | 89 | 4,165 | 53 | 168 | 0 |
Net cash provided by financing activities | ||||||||
1,466 | 3,077 | 6,871 | 355,068 | 2,288 | 250,364 | 796 | 40,734 | 1,267 |
Net effect of foreign exchange rate changes on cash and cash equivalents | ||||||||
23 | - | 47 | 159 | -69 | - | -27 | 0 | 0 |
Net increase in cash and cash equivalents | ||||||||
9,011 | -3,960 | -27,465 | 20,864 | 13,245 | 26,165 | 3,187 | 35,418 | 3,178 |
Supplemental Disclosures of Cash Flow Information: | ||||||||
Operating lease liabilities arising from obtaining right-of-use assets | ||||||||
1,957 | - | - | - | 0 | - | - | - | - |
Cash paid for interest | ||||||||
- | - | - | - | - | 1,184 | 16 | 21 | 30 |
Cash paid for income taxes | ||||||||
- | - | - | - | - | - | - | - | 0 |
Supplemental Disclosures of Noncash Investing and Financing Activities: | ||||||||
Purchases of property and equipment included in accounts payable and accrued expenses | ||||||||
1,365 | - | - | - | 490 | - | - | - | - |
Increase in purchases of property and equipment included in accounts payable and accrued expenses | ||||||||
- | - | - | - | - | -962 | -3,127 | 1,635 | 3,351 |