| Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Dec'16 |
|---|---|---|---|---|---|---|---|---|
Assets | ||||||||
Current assets: | ||||||||
Cash and cash equivalents | ||||||||
4,297 | 8,480 | 6,684 | 8,842 | 12,874 | 4,606 | 8,040 | 13,529 | 28,893 |
Short-term investments | ||||||||
45,914 | 53,895 | 60,730 | 58,507 | 48,867 | 58,435 | 48,362 | 1,850 | - |
Accounts receivable | ||||||||
7,526 | 10,350 | 16,927 | 15,781 | 16,000 | 10,417 | 15,012 | 12,389 | 11,495 |
Inventories | ||||||||
20,317 | 17,015 | 14,474 | 15,005 | 16,398 | 16,156 | 18,469 | 15,673 | 7,017 |
Prepaid expenses and other current assets | ||||||||
1,427 | 1,801 | 2,018 | 2,413 | 2,713 | 3,466 | 5,623 | 3,745 | 1,609 |
Total current assets | ||||||||
79,481 | 91,541 | 100,833 | 100,548 | 96,852 | 93,080 | 95,506 | 47,186 | 49,014 |
Property and equipment, net | ||||||||
10,721 | 11,211 | 9,225 | 10,423 | 10,186 | 9,447 | 9,973 | 8,521 | 8,122 |
Operating lease assets, net | ||||||||
5,386 | 5,644 | - | - | - | - | - | - | - |
Intangible assets, net | ||||||||
3,345 | 3,546 | 3,748 | 3,950 | 4,152 | 4,354 | 4,556 | 4,757 | 5,363 |
Other assets | ||||||||
618 | 616 | 617 | 679 | 671 | 535 | 331 | 4,742 | 3,210 |
Total assets | ||||||||
99,551 | 112,558 | 114,423 | 115,600 | 111,861 | 107,416 | 110,366 | 65,206 | 65,709 |
Liabilities and Stockholders’ Equity | ||||||||
Current liabilities: | ||||||||
Accounts payable | ||||||||
6,851 | 6,349 | 5,495 | 5,644 | 5,115 | 5,792 | 7,059 | 5,357 | 4,757 |
Accrued liabilities | ||||||||
14,486 | 15,750 | 13,907 | 10,718 | 9,245 | 8,039 | 9,217 | 9,513 | 6,751 |
Operating lease liabilities - short term | ||||||||
840 | 839 | - | - | - | - | - | - | - |
Long-term debt, current portion | ||||||||
- | - | - | - | - | - | - | 10,784 | 11,238 |
Bank borrowingsline of credit | ||||||||
- | - | - | - | - | - | - | 5,000 | - |
Total current liabilities | ||||||||
22,177 | 22,938 | 19,402 | 16,362 | 14,360 | 13,831 | 16,276 | 30,654 | 22,746 |
Operating lease liabilities - long term | ||||||||
6,048 | 6,251 | - | - | - | - | - | - | - |
Long-term debt, net | ||||||||
- | - | - | - | - | - | - | - | 6,991 |
Convertible preferred stock warrant liability | ||||||||
- | - | - | - | - | - | - | 3,530 | 12,885 |
Other long-term liabilities | ||||||||
413 | 413 | 1,799 | 4,274 | 3,466 | 3,179 | 3,176 | 3,118 | 3,460 |
Total liabilities | ||||||||
28,638 | 29,602 | 21,201 | 20,636 | 17,826 | 17,010 | 19,452 | 37,302 | 46,082 |
Commitments and contingencies (Note 3 and Note 6) | ||||||||
- | - | - | 0 | 0 | 0 | - | 0 | 0 |
Convertible preferred stock, par value of $0.00001 per share; zero and 213,351,797 shares authorized as of December 31, 2017 and 2016, respectively; zero and 19,824,700 shares issued and outstanding with aggregate liquidation preference of zero and $189,796 as of December 31, 2017 and 2016, respectively | ||||||||
- | - | - | - | - | - | - | 210,269 | 199,434 |
Stockholders’ equity: | ||||||||
Preferred stock, $0.00001 par value, 5,000,000 and 10,000,000 shares authorized as of December 31, 2018 and 2017, respectively; zero share outstanding at December 31, 2018 and 2017, respectively | ||||||||
- | - | - | - | - | - | - | - | 0 |
Additional paid-in capital | ||||||||
309,269 | 303,473 | 300,791 | 297,024 | 294,085 | 289,675 | 288,719 | 14,289 | 12,419 |
Accumulated other comprehensive income (loss) | ||||||||
38 | -4 | -123 | -120 | -175 | -227 | -96 | - | - |
Accumulated deficit | ||||||||
-238,394 | -220,513 | -207,446 | -201,940 | -199,875 | -199,042 | -197,709 | -196,654 | -192,226 |
Total stockholders’ equity | ||||||||
70,913 | 82,956 | 93,222 | 94,964 | 94,035 | 90,406 | 90,914 | -182,365 | -179,807 |
Total liabilities and stockholders’ equity | ||||||||
99,551 | 112,558 | 114,423 | 115,600 | 111,861 | 107,416 | 110,366 | 65,206 | 65,709 |