| Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|
Commercial Revenues [Member] | ||||||||
Development Revenues [Member] | ||||||||
Revenues: | ||||||||
Development revenues | ||||||||
7,789 | 13,797 | 17,838 | 21,827 | 24,657 | 26,981 | 28,182 | 26,153 | 14,590 |
Development revenues | ||||||||
7,789 | 13,797 | 17,838 | - | 24,657 | 26,981 | 28,182 | 26,153 | 14,590 |
Commercial revenues | ||||||||
21,531 | 9,242 | 7,044 | 5,835 | 4,630 | 4,332 | 3,372 | 2,709 | 921 |
Total revenues | ||||||||
29,320 | 23,039 | 24,882 | 27,662 | 29,287 | 31,313 | 31,554 | 28,862 | 15,511 |
Operating expenses: | ||||||||
Cost of commercial revenues | ||||||||
1,832 | 1,096 | 638 | 644 | 325 | 303 | 219 | 154 | - |
Research, development and patents | ||||||||
16,685 | 20,950 | 24,085 | 26,627 | 28,612 | 28,644 | 28,687 | - | - |
Research, development and patents | ||||||||
16,685 | 20,950 | 24,085 | - | - | 28,644 | 28,687 | - | - |
Selling, general and administrative | ||||||||
12,136 | 11,752 | 12,849 | 12,578 | 12,283 | 11,619 | 11,500 | - | - |
Research and development | ||||||||
- | - | - | - | - | - | - | 26,636 | 28,201 |
General and administrative | ||||||||
- | - | - | - | - | - | - | 13,077 | 13,682 |
Total operating expenses | ||||||||
30,653 | 33,798 | 37,572 | 39,849 | 41,220 | 40,566 | 40,406 | 39,867 | 41,883 |
Loss from operations | ||||||||
-1,333 | -10,759 | -12,690 | -12,187 | -11,933 | -9,253 | -8,852 | -11,005 | -26,372 |
Other income | ||||||||
70 | 73 | 42 | 37 | 35 | 67 | 128 | 339 | 207 |
Net loss | ||||||||
-1,263 | -10,686 | -12,648 | -12,150 | -11,898 | -9,186 | -8,724 | -10,666 | -26,165 |
Other comprehensive income (loss): | ||||||||
Net loss | ||||||||
-1,263 | -10,686 | -12,648 | - | - | - | - | -10,666 | -26,165 |
Unrealized gain (loss) on investments | ||||||||
-1 | 23 | -17 | -17 | 0 | -23 | 37 | -10 | - |
Total other comprehensive loss | ||||||||
- | - | - | - | - | - | - | -10 | - |
Comprehensive loss | ||||||||
-1,264 | -10,663 | -12,665 | -12,167 | -11,898 | -9,209 | -8,687 | -10,676 | - |
Net loss per share, basic and diluted (in dollars per share) | ||||||||
-0.03 | -0.24 | -0.29 | -0.29 | -0.29 | -0.23 | -0.22 | -0.28 | -0.85 |
Shares used in calculating net loss per share, basic and diluted (in shares) | ||||||||
47,192 | 44,803 | 43,968 | 42,611 | 40,662 | 39,956 | 39,571 | 37,726 | - |
Shares used to compute net loss per share, basic (in shares) | ||||||||
- | - | - | - | - | - | - | - | 30,935 |
Shares used to compute net loss per share, diluted (in shares) | ||||||||
- | - | - | - | - | - | - | - | 30,935 |