| Dec'19 | Dec'18 | Dec'17 | ||||
|---|---|---|---|---|---|---|
Operating activities: | ||||||
Net loss | ||||||
-29,815 | -18,496 | -23,365 | ||||
Adjustments to reconcile net loss to cash used in operating activities: | ||||||
Depreciation and amortization expense | ||||||
1,127 | 1,320 | 1,504 | ||||
Change in fair value of preferred stock warrants and expirations | ||||||
0 | -3,991 | -751 | ||||
Non-cash interest | ||||||
883 | 750 | 0 | ||||
Stock-based compensation | ||||||
1,346 | 1,193 | 382 | ||||
Provision for bad debt expense | ||||||
554 | -262 | 262 | ||||
Inventory Write-down | ||||||
0 | 1,287 | 364 | ||||
Impairment of property and equipment | ||||||
- | - | 604 | ||||
Accretion of debt discount | ||||||
- | - | -96 | ||||
Loss on debt extinguishment | ||||||
-1,333 | -342 | 0 | ||||
(Gain) loss on disposal of fixed assets | ||||||
-11 | 0 | - | ||||
Fair value of warrants issued for services | ||||||
0 | 165 | 0 | ||||
Other items | ||||||
0 | -115 | - | ||||
Changes in operating assets and liabilities: | ||||||
Accounts receivable | ||||||
2,374 | 900 | 1,767 | ||||
Inventory | ||||||
3,641 | 418 | 336 | ||||
Prepaid expenses and other current assets | ||||||
245 | -152 | -770 | ||||
Accounts payable | ||||||
1,362 | -954 | 1,541 | ||||
Accrued expenses and contract liabilities | ||||||
-73 | -247 | -123 | ||||
Net Cash Provided by (Used in) Operating Activities | ||||||
-29,500 | -19,943 | -20,817 | ||||
Investing activities: | ||||||
Purchases of property and equipment | ||||||
61 | 331 | 1,017 | ||||
Net cash used in investing activities | ||||||
-61 | -331 | -1,017 | ||||
Financing activities: | ||||||
Proceeds from issuance of debt, net of issuance costs | ||||||
19,134 | 23,830 | - | ||||
Proceeds from issuance of long-term debt, net of issuance costs | ||||||
- | - | 0 | ||||
Proceeds from borrowing from line of credit | ||||||
5,113 | 0 | 0 | ||||
Repayments of Lines of Credit | ||||||
3,615 | 0 | - | ||||
Repayment of long-term debt | ||||||
10,812 | 7,447 | 0 | ||||
Proceeds from issuance of common stock, net of issuance costs | ||||||
- | - | 17,593 | ||||
Proceeds from sale of common stock, net of offering costs | ||||||
19,556 | 19,389 | 0 | ||||
Proceeds from sale of common stock under employee stock purchase plan | ||||||
141 | - | 0 | ||||
Proceeds from warrant and option exercises | ||||||
860 | 3 | - | ||||
Proceeds from option exercises | ||||||
- | - | 14 | ||||
Net cash provided by financing activities | ||||||
30,379 | 35,776 | 17,607 | ||||
Net increase in cash and cash equivalents | ||||||
788 | 15,500 | -4,227 | ||||
Supplemental disclosure of non-cash financing and investing activity: | ||||||
Fair value of warrants issued with debt classified as a liability | ||||||
- | - | 0 | ||||
Transfer of instruments and servers from inventory into property and equipment | ||||||
1,266 | 0 | 75 | ||||
Transfer of instruments and servers from property and equipment into inventory | ||||||
0 | 242 | - | ||||
Debt Conversion, Converted Instrument, Amount | ||||||
0 | 14,898 | 0 | ||||
Fair value of stock and warrants issued in conjunction with debt | ||||||
831 | 176 | - | ||||
Issue stock for covenant waiver | ||||||
504 | 0 | - | ||||
Reduce warrant exercise price for covenant waiver | ||||||
45 | 0 | - | ||||
Non-cash portion of debt extinguishment | ||||||
521 | 0 | - | ||||
Final payment fee due in connection with the repayment of debt classified within other long-term liabilities | ||||||
0 | 400 | 0 | ||||
Conversion of preferred stock warrants into common stock and common stock warrants | ||||||
0 | 84 | 0 | ||||
Property and equipment costs incurred but not paid included in accounts payable and accrued expenses | ||||||
0 | 3 | 11 | ||||
Issuance of Stock and Warrants for Services or Claims | ||||||
0 | 165 | 0 | ||||
Supplementary disclosure of cash flow information | ||||||
Interest paid | ||||||
1,277 | 700 | 534 | ||||