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Schedule of Stock Options (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016
Schedule of Stock Options (Tables): |  |
Schedule of Stock Options (Tables) |  | The fair value of share-based awards was estimated using the Black-Scholes model with the following weighted-average assumptions for the years ended December 31, 2016 and 2015: Assumptions:
| 2016 |  | 2015
Dividend yield | 0.00 |  | 0.00
Risk-free interest rate | 1.13-2.32% |  | 2.24-2.32%
Expected volatility | 67.3-78.9% |  | 80.5-184%
Expected life (in years) | 10 |  | 10
Schedule of Stock Options, Activity |  | Option activity for the year ended December 31, 2016 was as follows:
|  |  | Weighted Average |  | Weighted Average |  |
|  |  | Exercise |  | Remaining |  | Aggregate
|  |  | Price |  | Contractual |  | Intrinsic
| Options |  | ($) |  | Life (Yrs.) |  | Value ($)
Options outstanding at December 31, 2015 |  | 28,438 |  |  | 11.90 |  |  | 9.65 |  |  | -
Granted |  | 73,688 |  |  | 7.09 |  |  | 9.53 |  |  | -
Exercised |  | - |  |  | - |  |  | - |  |  | -
Forfeited or cancelled |  | (938) |  |  | 13.00 |  |  | - |  |  | -
Options outstanding at December 31, 2016 |  | 101,188 |  |  | 8.39 |  |  | 9.29 |  |  | -
Options expected to vest in the future as of December 31, 2016 |  | 98,250 |  |  | 8.29 |  |  | 9.30 |  |  | -
Options exercisable at December 31, 2016 |  | 2,938 |  |  | 11.78 |  |  | 8.78 |  |  | -
Options vested, exercisable and options expected to vest at December 31, 2016 |  | 101,188 |  |  | 8.39 |  |  | 9.29 |  |  | -
Schedule of Stock Options Valuation Assumptions | The estimated fair value of the options was determined using the Black-Scholes pricing model using the following assumptions:
Expected term: | 1.5 - 10 years
Volatility: | 67.3 – 139.5%
Dividend yield: | 0.00%
Risk-free interest rate: | .79 - 2.32%

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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