Note 5 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Accrued professional fees	$ 1,185	$ 483
Accrued bonuses	873	1,102
Accrued sales commission	592	115
Accrued payroll and other related expenses	458	274
Accrued interest	436	65
Accrued sales & use tax	180	39
Other accruals	209	108
Total accrued liabilities	$ 3,933	$ 2,186	[1]

[1] The condensed consolidated balance sheet as of December 31, 2016 has been derived from the audited consolidated financial statements as of that date.