8. Non-Cash Share-Based Employee Compensation (Details) (USD $)	9 Months Ended
	Sep. 30, 2014
Notes to Financial Statements
Outstanding Stock Options, beginning	482,611
Vested Stock Options, beginning	410,942
Nonvested Stock Options, beginning	71,669
Issued Stock Options	35,000
Exercised Stock Options	87,833
Forfeited Stock Options	0
Expired Stock Options	5,000
Outstanding Stock Options, ending	424,778
Vested Stock Options, ending	371,443
Nonvested Stock Options, ending	53,335
Outstanding Wgt. Avg. Exercise Price, beginning	$ 3.5
Vested Wgt. Avg. Exercise Price, beginning	$ 3.64
Nonvested Wgt. Avg. Exercise Price, beginning	$ 2.68
Issued Wgt. Avg. Exercise Price	$ 3.40
Exercised Wgt. Avg. Exercise Price	$ 2.09
Forfeited Wgt. Avg. Exercise Price	$ 0
Expired Wgt. Avg. Exercise Price	$ 3.45
Outstanding Wgt. Avg. Exercise Price, ending	$ 3.78
Vested Wgt. Avg. Exercise Price, ending	$ 3.89
Nonvested Wgt. Avg. Exercise Price, ending	$ 3.00
Outstanding Contractual Life	3 years 10 months 17 days
Vested Contractual Life	3 years 7 months 2 days
Nonvested Contractual Life	5 years 11 months 8 days
Outstanding Grant Date Fair Value, beginning	$ 2.18
Vested Grant Date Fair Value, beginning	$ 2.41
Nonvested Grant Date Fair Value, beginning	$ 0.87
Issued Grant Date Fair Value	$ 0.08
Exercised Grant Date Fair Value	$ 1.04
Forfeited Grant Date Fair Value	$ 0
Expired Grant Date Fair Value	$ 0.03
Outstanding Grant Date Fair Value	$ 2.27
Vested Grant Date Fair Value	$ 2.52
Nonvested Grant Date Fair Value	$ 0.54
Outstanding Aggregate Intrinsic Value	$ 0
Vested Aggregate Intrinsic Value	0
Nonvested Aggregate Intrinsic Value	$ 0
Issued Aggregate Intrinsic Value	$ 0
Exercised Aggregate Intrinsic Value	0
Forfeited Aggregate Intrinsic Value	$ 0
Expired Aggregate Intrinsic Value	$ 0
Outstanding Aggregate Intrinsic Value	791,549
Vested Aggregate Intrinsic Value	$ 676,127
Nonvested Aggregate Intrinsic Value	$ 115,422