Note 10 - Purchase of Interests in Subsidiaries - Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 13, 2016	Dec. 31, 2015
NM Acquisition [Member] | SGRP Holdings and SPAR BSMT [Member]
Cash		$ 52
Net Working Capital, net of cash		222
Fixed Assets		23
Non-operating Assets		11
Goodwill		457
Assumed Liabilities		(407)
Net Fair Value of Assets Acquired		$ 358
Goodwill	$ 2,257		$ 1,800