Note 13 - Employee Benefit Plans (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Defined Contribution Plan Employee Contributions Percentage of Eligible Compensation	12.00%
Defined Contribution Plan Employers Matching Contribution Vesting Period	5 years
Defined Contribution Plan, Employer Discretionary Contribution Amount (in Dollars)	$ 38,000	$ 34,000
Bonus Percentage	5.00%
Accrued Bonuses, Current (in Dollars)	325,000	64,000
For Employees Contributing 1% of Gross Earnings [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent	0.50%
For Employees Contributing 2 to 12% of Gross Earnings [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent	1.00%
Executive [Member]
Accrued Bonuses, Current (in Dollars)	$ 145,000	$ 0