Note 2 - Summary of Significant Accounting Policies (Details) - Valuation Assumptions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Note 2 - Summary of Significant Accounting Policies (Details) - Valuation Assumptions [Line Items]
Dividend yield(1)	[1]	0.00%	0.00%
Expected volatility(2)
Risk-free interest rate(3)
Expected life(4) (years)
Assumed forfeiture rate		10.00%	19.00%
Minimum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) - Valuation Assumptions [Line Items]
Expected volatility(2)	[2]	47.59%	53.78%
Risk-free interest rate(3)	[3]	1.23%	1.49%
Expected life(4) (years)	[4]	5 years 6 months	5 years 6 months
Maximum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) - Valuation Assumptions [Line Items]
Expected volatility(2)	[2]	52.54%	56.00%
Risk-free interest rate(3)	[3]	1.82%	1.95%
Expected life(4) (years)	[4]	7 years	7 years

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

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

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

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