| Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Mar'14 | Dec'13 | Mar'13 | Mar'12 |
|---|---|---|---|---|---|---|---|---|
Revenue | ||||||||
- | - | 2,842 | 2,729 | 2,983 | - | 896 | - | - |
Revenue | ||||||||
10,781 | 9,650 | - | - | - | 35 | - | 175 | 151 |
Cost of revenue | ||||||||
8,673 | 9,265 | 5,042 | 3,724 | 4,904 | 57 | 2,430 | 212 | 123 |
Gross profit (loss) | ||||||||
2,108 | 385 | -2,200 | -995 | -1,921 | -21 | -1,534 | -36 | - |
Operating expenses: | ||||||||
Research and development | ||||||||
8,769 | 9,517 | 10,313 | 10,033 | 6,607 | - | 4,793 | - | - |
Selling, general and administrative | ||||||||
27,300 | 24,777 | 19,564 | 16,143 | 13,002 | - | 8,221 | - | - |
Compensation expense | ||||||||
- | - | - | - | - | 10 | - | 10 | 9 |
Consulting fees - related party | ||||||||
- | - | - | - | - | 144 | - | 48 | - |
General and administrative | ||||||||
- | - | - | - | - | 73 | - | 91 | 70 |
Restructuring charge | ||||||||
346 | - | - | - | 175 | - | 0 | - | - |
Total operating expense | ||||||||
36,415 | 34,294 | 29,877 | 26,176 | 19,784 | 228 | 13,014 | 150 | 202 |
Operating loss | ||||||||
-34,307 | -33,909 | -32,077 | -27,171 | -21,705 | -249 | -14,548 | -186 | -51 |
Other income (expense) | ||||||||
Interest expense | ||||||||
- | - | - | - | - | 17 | - | 3 | 0 |
Warrant revaluation | ||||||||
120 | - | - | - | - | - | - | - | - |
Interest, net | ||||||||
-884 | -208 | - | - | - | - | - | - | - |
Other, net | ||||||||
82 | -6 | - | - | - | - | - | - | - |
Warrant revaluation | ||||||||
- | - | - | - | 2,421 | - | - | - | - |
Warrant revaluation | ||||||||
- | - | - | - | - | - | -171 | - | - |
Other, net | ||||||||
-682 | -214 | -1,001 | -1,592 | -415 | - | 28 | - | - |
Total other income (expense), net | ||||||||
- | - | - | - | -2,836 | - | -143 | - | - |
Other (income) expense, net | ||||||||
- | - | - | - | - | 17 | - | 3 | - |
Loss before income tax provision | ||||||||
- | - | - | - | - | -267 | - | -189 | -51 |
Income tax provision | ||||||||
- | - | - | - | - | 0 | - | 0 | 0 |
Net loss | ||||||||
-34,989 | -34,123 | -33,078 | -28,763 | -24,541 | -267 | -14,691 | -189 | -51 |
Accretion of beneficial conversion feature of Series A and Series A-1 preferred stock | ||||||||
5,266 | - | - | - | - | - | - | - | - |
Dividends on preferred stock | ||||||||
2,388 | - | - | - | - | - | - | - | - |
Net loss attributable to common stockholders | ||||||||
-42,643 | -34,123 | - | - | - | - | - | - | - |
Net loss per share attributable to common stockholders--basic and diluted (in dollars per share) | ||||||||
-0.22 | -0.20 | - | - | - | - | - | - | - |
Weighted-average common shares used in computing net loss per share attributable to common stockholders--basic and diluted (in shares) | ||||||||
189,619 | 173,925 | - | - | - | - | - | - | - |
Net loss per share attributed to common stockholders--basic and diluted (in dollars per share) | ||||||||
- | - | -0.28 | -0.25 | -0.29 | -0.01 | -0.20 | 0.00 | 0.00 |
Weighted-average common shares used in computing net loss per share attributable to common stockholders--basic and diluted (in shares) | ||||||||
- | - | 119,019 | 113,254 | 84,990 | 52,000 | 73,360 | 52,000 | - |
Net loss | ||||||||
-34,989 | -34,123 | -33,078 | -28,763 | -24,541 | -267 | -14,691 | -189 | -51 |
Unrealized gain (loss) on marketable securities | ||||||||
- | - | 14 | -14 | - | - | - | - | - |
Comprehensive loss | ||||||||
-34,989 | -34,123 | -33,064 | -28,777 | -24,541 | - | -14,691 | - | - |
Weighted average common shares outstanding - basic and diluted | ||||||||
- | - | - | - | - | - | - | - | 37,215 |