Note 16 - Stock Based Compensation (Details) - Valuation Assumptions		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 16 - Stock Based Compensation (Details) - Valuation Assumptions [Line Items]
Dividend yield(1)	[1]	0.00%	0.00%	0.00%
Expected life (years)(4)	[2]			7 years
Assumed forfeiture rate		19.00%	23.00%	23.00%
Minimum [Member]
Note 16 - Stock Based Compensation (Details) - Valuation Assumptions [Line Items]
Expected volatility(2)	[3]	53.78%	55.79%	54.88%
Risk-free interest rate(3)	[4]	1.49%	1.51%	1.28%
Expected life (years)(4)	[2]	5 years 6 months	5 years 6 months
Maximum [Member]
Note 16 - Stock Based Compensation (Details) - Valuation Assumptions [Line Items]
Expected volatility(2)	[3]	56.00%	57.99%	55.61%
Risk-free interest rate(3)	[4]	2.00%	2.26%	2.03%
Expected life (years)(4)	[2]	7 years	7 years

[1] A dividend yield of 0.0% is utilized because cash dividends have never been paid.

[2] The expected life reflects a 1 to 4 year vesting period, the maximum ten year term and review of historical behavior.

[3] Expected volatility is based on Bloomberg's five and one-half to seven year volatility calculation for "FRBK" stock.

[4] The risk-free interest rate is based on the five to seven year Treasury bond.