| Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|
Operating activities: | |||||||
Net loss | |||||||
-29,815 | -28,325 | -26,853 | -22,500 | -18,496 | 0 | 0 | 0 |
Adjustments to reconcile net loss to cash used in operating activities: | |||||||
Depreciation and amortization expense | |||||||
1,127 | 965 | 1,078 | 1,198 | 1,320 | 0 | 0 | 0 |
Change in fair value of preferred stock warrants and expirations | |||||||
0 | 0 | -1,520 | -3,037 | -3,991 | 0 | 0 | 0 |
Stock-based compensation | |||||||
1,346 | 2,022 | 1,711 | 1,428 | 1,193 | 0 | 0 | 0 |
Accretion of debt discount | |||||||
- | 0 | 0 | -209 | - | 0 | 0 | 0 |
Loss on debt extinguishment | |||||||
-1,333 | -921 | -921 | -1,263 | -342 | 0 | 0 | 0 |
Long-term debt prepayment fees | |||||||
- | 0 | 0 | 0 | - | - | - | 0 |
Changes in operating assets and liabilities: | |||||||
Accounts receivable | |||||||
2,374 | 1,999 | 1,597 | 1,259 | 900 | 0 | 0 | 0 |
Inventory | |||||||
3,641 | 203 | 2,199 | 435 | 418 | 0 | 0 | 0 |
Prepaid expenses and other current assets | |||||||
245 | -526 | -1,137 | -24 | -152 | 0 | 0 | 0 |
Accounts payable | |||||||
1,362 | 26 | 2,361 | -109 | -954 | 0 | 0 | 0 |
Accrued expenses and contract liabilities | |||||||
-73 | -16 | -664 | 1,223 | -247 | 0 | 0 | 0 |
Net Cash Provided by (Used in) Operating Activities | |||||||
-29,500 | -24,135 | -23,058 | -19,707 | -19,943 | 0 | 0 | 0 |
Investing activities: | |||||||
Purchases of property and equipment | |||||||
61 | 50 | 171 | 319 | 331 | 0 | 0 | 0 |
Net cash used in investing activities | |||||||
-61 | -50 | -171 | -319 | -331 | 0 | 0 | 0 |
Financing activities: | |||||||
Proceeds from issuance of long-term debt, net of issuance costs | |||||||
- | 0 | 0 | 28,708 | - | 0 | 0 | 0 |
Proceeds from borrowing from line of credit | |||||||
5,113 | -14,329 | -14,329 | -13,329 | 0 | 0 | 0 | 0 |
Repayment of long-term debt | |||||||
10,812 | 10,812 | 10,812 | 18,259 | 7,447 | 0 | 0 | 0 |
Proceeds from issuance of common stock, net of issuance costs | |||||||
- | - | - | 0 | - | - | - | 0 |
Proceeds from option exercises | |||||||
- | 0 | 0 | 57 | - | 0 | 0 | 0 |
Net cash provided by financing activities | |||||||
30,379 | 11,753 | 30,900 | 33,305 | 35,776 | 0 | 0 | 0 |
Net increase in cash and cash equivalents | |||||||
788 | -12,432 | 7,670 | 13,277 | 15,500 | 0 | 0 | 0 |
Supplemental disclosure of non-cash financing and investing activity: | |||||||
Fair value of warrants issued with debt classified as a liability | |||||||
- | 0 | 0 | 806 | - | 0 | 0 | 0 |
Transfer of instruments and servers from inventory into property and equipment | |||||||
1,266 | 359 | -106 | 29 | 0 | 0 | 0 | 0 |
Final payment fee due in connection with the repayment of debt classified within other long-term liabilities | |||||||
0 | 0 | 0 | 601 | 400 | 0 | 0 | 0 |
Loan amendment fee due in connection with the repayment of debt classified within current liabilities | |||||||
- | - | - | 0 | - | - | - | 0 |