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Note 7 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Research and development $ 12 $ 394
Employee payroll and benefits 449 614
Severance pay 512 590
Inventory 130 12
Sales rebate 149 150
Outsourced sales team 299
Other 329 220
Total accrued liabilities $ 1,880 $ 1,980