| Dec'19 | Dec'18 | Dec'17 | ||||
|---|---|---|---|---|---|---|
Revenue, net | ||||||
1,666 | 1,374 | 1,112 | ||||
Cost of revenue | ||||||
1,737 | 1,612 | 1,271 | ||||
Gross profit | ||||||
-71 | -238 | -158 | ||||
Operating Expenses: | ||||||
Research and development | ||||||
5,427 | 4,873 | 3,664 | ||||
Sales and marketing | ||||||
2,834 | 2,803 | 1,589 | ||||
General and administrative | ||||||
2,829 | 3,657 | 1,428 | ||||
Total operating expenses | ||||||
11,090 | 11,333 | 6,682 | ||||
Loss from operations | ||||||
-11,161 | -11,571 | -6,841 | ||||
Interest expense | ||||||
- | 33,502 | 14,696 | ||||
Change in fair value of warrant liability | ||||||
-204 | 8,051 | -4,309 | ||||
Change in fair value of derivative liability | ||||||
-171 | -14,294 | -9,040 | ||||
Other income (expense), net | ||||||
-902 | 69 | - | ||||
Gain on extinguishment of convertible notes payable | ||||||
- | - | 621 | ||||
Other income (expense), net | ||||||
- | - | -0 | ||||
Loss before provision for income taxes | ||||||
-12,030 | -67,349 | -25,646 | ||||
Provision for income taxes | ||||||
8 | 8 | 5 | ||||
Net loss | ||||||
-12,038 | -67,357 | -25,652 | ||||
Convertible preferred stock dividend | ||||||
56 | - | - | ||||
Net loss attributable to common stockholders | ||||||
-12,094 | -67,357 | - | ||||
Net loss per common share - basic and diluted | ||||||
-0.64 | -9.96 | -75.89 | ||||
Weighted average number of common shares used in computing net loss per common share | ||||||
18,969 | 6,761 | 338 | ||||