Note 10 - Equity (Tables)
|
9 Months Ended |
12 Months Ended |
Sep. 30, 2015 |
Dec. 31, 2014 |
Note 10 - Equity (Tables) [Line Items] |
|
|
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|
|
Nine Months Ended September 30, |
|
|
2015 |
|
2014 |
Expected volatility |
|
|
45% |
- |
50% |
|
|
|
43% |
- |
46% |
|
Expected dividends |
|
|
|
None |
|
|
|
|
|
None |
|
|
Expected term (years) |
|
|
5.5 |
- |
7 |
|
|
|
5.5 |
- |
7.5 |
|
Risk-free rate |
|
|
1.66% |
- |
1.92% |
|
|
|
0.07% |
- |
2.05% |
|
Forfeiture rate |
|
|
|
20% |
|
|
|
|
|
None |
|
|
|
|
|
December 31,
|
|
|
2014
|
|
2013
|
Expected volatility
|
|
43% |
- |
46%
|
|
-
|
Expected dividends
|
|
|
None
|
|
|
-
|
Expected term (years)
|
|
5.5 |
- |
7.5
|
|
-
|
Risk-free rate
|
|
0.07% |
- |
2.05%
|
|
-
|
Forfeiture rate
|
|
|
20%
|
|
|
-
|
|
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|
|
Number of Shares |
|
Weighted Average Exercise Price |
|
Weighted Average Fair Value |
|
Weighted Average Remaining Contractual Life |
Outstanding at December 31, 2014 |
|
|
314,775 |
|
|
$ |
2.23 |
|
|
$ |
0.92 |
|
|
|
9.2 |
|
Granted at market price |
|
|
211,660 |
|
|
|
8.35 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
Cancelled |
|
|
(1,835 |
) |
|
|
3.49 |
|
|
|
|
|
|
|
|
|
Outstanding at September 30, 2015 |
|
|
524,600 |
|
|
$ |
4.69 |
|
|
$ |
2.21 |
|
|
|
9.0 |
|
Exercisable at September 30, 2015 |
|
|
111,502 |
|
|
$ |
1.81 |
|
|
$ |
0.82 |
|
|
|
8.4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2013
|
|
|
- |
|
|
$ |
- |
|
|
$ |
- |
|
|
|
|
Granted at market price
|
|
|
320,115 |
|
|
|
2.04 |
|
|
|
|
|
|
|
|
Exercised
|
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
Cancelled
|
|
|
(7,120 |
) |
|
|
1.20 |
|
|
|
|
|
|
|
|
Outstanding at December 31, 2014
|
|
|
312,995 |
|
|
|
2.04 |
|
|
|
0.92 |
|
|
|
9.2 |
|
Exercisable at December 31, 2014
|
|
|
13,072 |
|
|
$ |
1.20 |
|
|
$ |
0.57 |
|
|
|
9.3 |
|
|
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] |
Restricted Stock Awards |
|
Shares |
Outstanding at December 31, 2014 |
|
|
662,375 |
|
Restricted stock awards granted |
|
|
8,000 |
|
Awards forfeited or exercised |
|
|
- |
|
Outstanding at September 30, 2015 |
|
|
670,375 |
|
|
Restricted Share Awards
|
|
Shares
|
|
Outstanding at December 31, 2013
|
|
|
- |
|
Restricted stock awards granted
|
|
|
662,375 |
|
Awards forfeited or exercised
|
|
|
- |
|
Outstanding at December 31, 2014
|
|
|
662,375 |
|
Remaining available to be issued
|
|
|
42,950 |
|
|
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
|
|
|
Number of Units |
|
|
|
|
|
Weighted Average Remaining Contractual Term
(in years)
|
|
|
Intrinsic Value |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2013
|
|
|
- |
|
|
$ |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
90,000 |
|
|
|
8.13 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2014
|
|
|
90,000 |
|
|
$ |
8.13 |
|
|
|
3.9 |
|
|
$ |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable at December 31, 2014
|
|
|
- |
|
|
$ |
- |
|
|
|
- |
|
|
$ |
- |
|
|
Class of Treasury Stock [Table Text Block] |
|
Year 1
|
|
$ |
0.56 |
|
Year 2
|
|
$ |
0.68 |
|
Year 3
|
|
$ |
0.84 |
|
Year 4
|
|
$ |
1.03 |
|
Year 5
|
|
$ |
1.28 |
|
Year 6
|
|
$ |
1.59 |
|
Year 7
|
|
$ |
1.97 |
|
Year 8
|
|
$ |
2.45 |
|
|
Fair Value Inputs, Instruments Classified in Shareholders' Equity, Quantitative Information [Table Text Block] |
|
Market value of underlying common stock
|
|
$1.20
|
|
Term (years)
|
1 |
– |
8
|
Strike price
|
$0.56 |
– |
$2.45
|
Volatility
|
27.03% |
– |
45.64%
|
Risk-free interest
|
0.13% |
– |
2.45%
|
|
Warrant [Member] |
|
|
Note 10 - Equity (Tables) [Line Items] |
|
|
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|
|
|
December 31,
|
|
|
|
2014
|
|
2013
|
|
Volatility
|
|
|
33%
|
|
|
- |
|
Risk-free interest rate
|
|
|
0.78%
|
|
|
- |
|
Expected term (years)
|
|
|
4.0 |
|
|
- |
|
|