Note 13 - Stock-Based Compensation (Details) - Nonvested Option Shares and Changes: (USD $)	3 Months Ended	9 Months Ended		15 Months Ended			3 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2013 Options Granted [Member]	Mar. 31, 2013 Options Granted [Member]	Sep. 30, 2012 Options Granted [Member]	Jun. 30, 2012 Options Granted [Member]	Mar. 31, 2012 Options Granted [Member]	Jun. 30, 2013 Options Forfeited [Member]	Mar. 31, 2013 Options Forfeited [Member]	Sep. 30, 2012 Options Forfeited [Member]	Jun. 30, 2012 Options Forfeited [Member]	Mar. 31, 2012 Options Forfeited [Member]	Jun. 30, 2013 Options Vested [Member]	Mar. 31, 2013 Options Vested [Member]	Sep. 30, 2012 Options Vested [Member]	Jun. 30, 2012 Options Vested [Member]	Mar. 31, 2012 Options Vested [Member]
Note 13 - Stock-Based Compensation (Details) - Nonvested Option Shares and Changes: [Line Items]
Nonvested (in Shares)	60,500	50,166	54,316	45,166	39,000	49,482
Nonvested	$ 5.42	$ 5.68	$ 9.43	$ 6.50	$ 4.77	$ 6.92
Granted (in Shares)	0	22,500	20,000	0			22,500				20,000
Granted		$ 2.47	$ 1.59				$ 6.52	$ 0.00	$ 0.00	$ 0.00	$ 4.12
Forfeited (in Shares)															(2,666)	(2,000)
Forfeited												$ 0.00	$ 0.00	$ 0.00	$ 11.91	$ 12.95
Vested (in Shares)																	(1,000)	(11,166)	(4,000)	(1,650)	(22,834)
Vested																	$ 5.05	$ 8.87	$ 12.66	$ 10.21	$ 9.89
Nonvested (in Shares)	60,500	60,500	41,166	60,500	39,000	49,482
Nonvested	$ 5.42	$ 5.42	$ 5.91	$ 5.42	$ 4.77	$ 6.92