| Schedule of Quarterly Financial Information [Table Text Block] |
Quarterly financial information for the fiscal 2013 and 2012 are presented in the following table, in thousands, except per share data:
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For the Quarter Ending |
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March 31 |
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June 30 |
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September 30 |
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December 31 |
2013: |
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Net sales |
$ |
— |
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|
$ |
128 |
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$ |
144 |
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$ |
343 |
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Grant and other revenue |
— |
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|
67 |
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|
257 |
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|
192 |
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Gross profit |
— |
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|
90 |
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|
325 |
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|
383 |
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Operating expenses |
7,004 |
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8,546 |
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|
10,250 |
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|
13,436 |
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Operating loss |
(7,004 |
) |
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(8,456 |
) |
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(9,925 |
) |
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(13,053 |
) |
Net loss |
(7,341 |
) |
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(10,300 |
) |
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(11,306 |
) |
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(13,752 |
) |
Net loss attributable to common stockholders |
(7,341 |
) |
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(10,300 |
) |
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(11,306 |
) |
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(13,752 |
) |
Basic and diluted net loss per share (1) |
$ |
(0.06 |
) |
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$ |
(0.09 |
) |
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$ |
(0.09 |
) |
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$ |
(0.10 |
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2012: |
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Net sales |
$ |
— |
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$ |
— |
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$ |
— |
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$ |
— |
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Grant and other revenue |
12 |
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|
60 |
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— |
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|
7 |
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Gross profit |
12 |
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|
60 |
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|
— |
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|
7 |
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Operating expenses |
6,518 |
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|
5,447 |
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|
9,069 |
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|
7,033 |
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Operating loss |
(6,506 |
) |
|
(5,387 |
) |
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(9,069 |
) |
|
(7,026 |
) |
Net loss |
(6,989 |
) |
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(5,835 |
) |
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(9,099 |
) |
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(7,235 |
) |
Net loss attributable to common stockholders |
(7,014 |
) |
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(5,860 |
) |
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(9,124 |
) |
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(7,203 |
) |
Basic and diluted net loss per share (1) |
$ |
(0.07 |
) |
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$ |
(0.06 |
) |
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$ |
(0.09 |
) |
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$ |
(0.07 |
) |
(1) Net loss per share is computed independently for each of the quarters presented. Therefore the sum of the quarterly per-share calculations will not necessarily equal the annual per share calculation.
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