| Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | ||
|---|---|---|---|---|---|---|
Revenue, net | ||||||
26,398 | 20,245 | 19,550 | 18,097 | - | ||
Cost of goods sold | ||||||
13,974 | 12,080 | 12,606 | - | - | ||
Net sales | ||||||
- | - | - | - | 3 | ||
Cost of goods sold | ||||||
- | - | - | 14,237 | 1 | ||
Gross margin | ||||||
12,424 | 8,165 | 6,944 | 3,860 | 1 | ||
Operating expense: | ||||||
Research and development | ||||||
7,372 | 7,126 | 4,842 | 6,523 | - | ||
Selling, general and administrative | ||||||
47,142 | 42,596 | 33,481 | 44,680 | - | ||
Restructuring costs | ||||||
- | - | 2,394 | - | - | ||
Long-lived asset impairment costs | ||||||
0 | 3,700 | 0 | - | - | ||
Total operating expense | ||||||
54,514 | 53,433 | 40,717 | 51,203 | - | ||
Selling, general and administrative expenses | ||||||
- | - | - | - | 62 | ||
Operating loss | ||||||
-42,090 | -45,268 | -33,773 | -47,343 | -60 | ||
Other income (expense), net: | ||||||
Interest expense, net | ||||||
-3,812 | -4,263 | -12,151 | -16,317 | - | ||
Interest expense, net | ||||||
- | - | - | - | 3 | ||
Change in fair value of derivative liabilities | ||||||
0 | 221 | -549 | 443 | - | ||
Other income (expense), net | ||||||
-27 | 9 | - | - | - | ||
Other income | ||||||
- | - | 106 | - | - | ||
Offering costs (including 2014 capitalized IPO costs) | ||||||
- | - | - | 3,978 | - | ||
Total other income (expense), net | ||||||
-3,839 | -4,033 | -12,594 | -19,852 | - | ||
Loss before income taxes | ||||||
-45,929 | -49,301 | -46,367 | - | - | ||
Provision for income taxes | ||||||
0 | 0 | 0 | - | - | ||
Net Income (Loss) Attributable to Parent | ||||||
-45,929 | -49,301 | -46,367 | -67,195 | -64 | ||
Preferred stock dividend | ||||||
2,200 | 1,711 | 0 | - | - | ||
Net loss attributable to common stockholders | ||||||
-48,129 | -51,012 | -46,367 | - | - | ||
Net loss per share of common shares outstanding - basic and diluted (usd per share) | ||||||
-1.71 | -8.94 | -39.06 | -2,230.10 | 0.00 | ||
Weighted average common shares outstanding - basic and diluted (in shares) | ||||||
28,131 | 5,708 | 1,187 | 30 | 10,000 | ||