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Note 14 - Consolidated Balance Sheet Detail (Tables) | 3 Months Ended
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Mar. 31, 2020
Notes Tables |
Property, Plant and Equipment [Table Text Block] |
(In thousands) |  | March 31, 2020 |  |  | December 31, 2019 |
Property and equipment |  |  |  |  |  |  |  |
Leasehold improvements |  | $ | 2,137 |  |  | $ | 2,112 |
Furniture and computer equipment |  |  | 810 |  |  |  | 794 |
Manufacturing and other equipment |  |  | 5,261 |  |  |  | 5,187 |
Subtotal |  |  | 8,208 |  |  |  | 8,093 |
Less: Accumulated depreciation |  |  | (2,801 | ) |  |  | (2,521 | )
Net property and equipment |  | $ | 5,407 |  |  | $ | 5,572 |
Schedule of Accrued Liabilities [Table Text Block] |
(In thousands) |  | March 31, 2020 |  |  | December 31, 2019 |
Accrued expenses and other current liabilities |  | $ | 337 |  |  | $ | 302 |
Other payables |  |  | 676 |  |  |  | 1,018 |
Accrued compensation |  |  | 1,762 |  |  |  | 1,554 |
Deferred revenue |  |  | 282 |  |  |  | 324 |
Other |  |  | 23 |  |  |  | 171 |
Total accrued expenses and other current liabilities |  | $ | 3,080 |  |  | $ | 3,369 |

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