Note 12 - Stock Based Compensation Plans (Details) - Stock Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Stock Option Activity [Abstract]
Shares	3,061,393		2,919,232
Weighted Average Exercise Price	$ 0.71		$ 0.64
Weighted Average Remaining Contractual Term	6 years 233 days		6 years 6 months
Aggregate Intrinsic Value	$ 3,169		$ 3,302
Exercisable at December 31, 2013	2,285,970
Exercisable at December 31, 2013	$ 0.61
Exercisable at December 31, 2013	5 years 116 days
Exercisable at December 31, 2013	3,130
Vested and expected to vest at December 31, 2013	3,441,701
Vested and expected to vest at December 31, 2013	$ 0.97
Vested and expected to vest at December 31, 2013	6 years 204 days
Vested and expected to vest at December 31, 2013	3,548
Shares, Granted	793,000	[1]	430,000
Weighted Average Exercise Price, Granted	$ 2.02	[1]	$ 1.12
Aggregate Intrinsic Value, Granted	36	[1]	270
Shares, Exercised	(202,233)		(287,839)
Weighted Average Exercise Price, Exercised	$ 0.61		$ 0.63
Aggregate Intrinsic Value, Exercised	286		307
Forfeited or expired	(101,561)
Forfeited or expired	$ 1.19
Shares	3,550,599		3,061,393
Weighted Average Exercise Price	$ 0.99		$ 0.71
Weighted Average Remaining Contractual Term	6 years 233 days		6 years 6 months
Aggregate Intrinsic Value	$ 3,577		$ 3,169

[1] Includes a stock option Award covering 300,000 SGRP Shares issued on December 2, 2013, to Ms. Jill M. Blanchard in connection with her employment on that date as the Company's Chief Executive Officer and President.