Note 4 - Income (Loss) Per Share - Weighted Average Shares Outstanding (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Preferred Stock Series B Convertible [Member]
Diluted effect:
Diluted effect (in shares)	3,307,299	3,307,299	3,307,299	3,307,299
Diluted effect (in shares)	3,307,299	3,307,299	3,307,299	3,307,299
Convertible Preferred Stock [Member]
Diluted effect:
Diluted effect (in shares)	255,000	255,000	255,000	255,000
Diluted effect (in shares)	255,000	255,000	255,000	255,000
Restricted Stock [Member]
Diluted effect:
Diluted effect (in shares)		22,000		15,714
Diluted effect (in shares)		22,000		15,714
Net Income (Loss) Attributable to Parent	$ 36,736	$ 127,435	$ 298,238	$ 249,684
Portion allocable to common shareholders	99.20%	99.20%	99.20%	99.20%
Net income applicable to common shareholders	$ 36,442	$ 126,416	$ 295,852	$ 247,687
Weighted average shares outstanding - basic (in shares)	31,947,753	31,904,786	32,064,778	31,892,694
Basic income per share (in dollars per share)			$ 0.01	$ 0.01
Net income applicable to common shareholders	$ 36,442	$ 126,416	$ 295,852	$ 247,687
Add: Undistributed earnings allocated to participating securities	294	1,019	2,386	1,997
Numerator for diluted income per share	$ 36,736	$ 127,435	$ 298,238	$ 249,684
Weighted average shares outstanding - basic (in shares)	31,947,753	31,904,786	32,064,778	31,892,694
Stock options (in shares)	19,250	20,222	19,250	18,000
Diluted effect (in shares)	19,250		19,250
Diluted effect (in shares)	19,250		19,250
Weighted average dilutive shares outstanding (in shares)	35,548,552	35,509,307	35,665,577	35,488,707
Dilutive income per share (in dollars per share)			$ 0.01	$ 0.01