Note 11 - Purchase of Interests in Subsidiaries - Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	[1]	Sep. 13, 2016
Goodwill	$ 1,851	$ 1,847
NM Acquisition [Member] | SGRP Holdings and SPAR BSMT [Member]
Cash				$ 484
Net Working Capital, net of cash				(155)
Fixed Assets				22
Intangible Assets				336
Goodwill				133
Assumed Liabilities				(419)
Net Fair Value of Assets Acquired				$ 401

[1] See Note 2 Correction of Prior Period Financial Statements.