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Note 11 - Stock Based Compensation and Other Plans (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
Expected volatility |  |  | 43 | %
Expected dividend yields |  |  | 0 | %
Expected term (in years) |  |  | 5 |
Risk free interest rate |  |  | 2.5 | %
Expected forfeiture rate |  |  | 5 | %
Expected volatility |  |  | 43 | %
Expected dividend yields |  |  | 0 | %
Expected term (in years) |  |  | 5 |
Risk free interest rate |  |  | 2.8 | %
Expected forfeiture rate |  |  | 5 | %
Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted- |  |  |  |  |
|  |  |  |  |  | Weighted- |  |  | Average |  |  | Aggregate |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Intrinsic |
|  | Covered |  |  | Exercise |  |  | Contractual |  |  | Value |
Option Awards |  | Shares |  |  | Price |  |  | Term (Years) |  |  | (thousands) |
Outstanding at January 1, 2017 |  |  | 3,111,052 |  |  | $ | 0.98 |  |  |  | 4.74 |  |  | $ | 678 |
Granted |  |  | 943,000 |  |  |  | 1,05 |  |  |  | – |  |  |  | – |
Exercised/cancelled |  |  | 110,187 |  |  |  | 0.87 |  |  |  | – |  |  |  | – |
Forfeited or expired |  |  | 599,688 |  |  |  | – |  |  |  | – |  |  |  | – |
Outstanding at December 31, 2017 |  |  | 3,344,177 |  |  | $ | 0.96 |  |  |  | 5.17 |  |  | $ | 1,221 |
Granted |  |  | 45,000 |  |  |  | 1.67 |  |  |  | – |  |  |  | – |
Exercised |  |  | 306,750 |  |  |  | 0.40 |  |  |  | – |  |  |  | – |
Forfeited or expired |  |  | 37,500 |  |  |  | – |  |  |  | – |  |  |  | – |
Outstanding at December 31, 2018 |  |  | 3,044,927 |  |  | $ | 1.01 |  |  |  | 4.55 |  |  | $ | 103 |
Exercisable at December 31, 2018 |  |  | 2,239,677 |  |  | $ | 1.00 |  |  |  | 3.15 |  |  | $ | 103 |
|  |  |  |  |  |  |  |  |  | Weighted- |  |  |  |  |
|  |  |  |  |  | Weighted- |  |  | Average |  |  | Aggregate |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Intrinsic |
|  | Covered |  |  | Exercise |  |  | Contractual |  |  | Value |
Option Awards |  | Shares |  |  | Price |  |  | Term (Years) |  |  | (thousands) |
Granted |  |  | 245,000 |  |  |  | 1.23 |  |  |  | – |  |  |  | – |
Exercised |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Cancelled |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Forfeited or expired |  |  | 10,000 |  |  |  | – |  |  |  | – |  |  |  | – |
Outstanding at December 31, 2018 |  |  | 235,000 |  |  | $ | 1.23 |  |  |  | 9.35 |  |  | $ | – |
Exercisable at December 31, 2018 |  |  | – |  |  | $ | – |  |  |  | – |  |  | $ | – |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] |
|  |  |  |  |  | Weighted- |
|  |  |  |  |  | Average |
|  |  |  |  |  | Grant Date |
|  |  |  |  |  | Fair Value |
|  | Shares |  |  | per Share |
Unvested at January 1, 2017 |  |  | 132,000 |  |  | $ | 1.32 |
Granted |  |  | – |  |  |  | – |
Vested |  |  | (22,800 | ) |  |  | 1.53 |
Forfeited |  |  | (40,800 | ) |  |  | 1.08 |
Unvested at December 31, 2017 |  |  | 68,400 |  |  |  | 1.38 |
Granted |  |  | – |  |  |  | – |
Vested |  |  | (18,900 | ) |  |  | 1.48 |
Forfeited |  |  | (48,500 | ) |  |  | 1.35 |
Unvested at December 31, 2018 |  |  | 1,000 |  |  | $ | 1.36 |
|  |  |  |  |  | Weighted- |
|  |  |  |  |  | Average |
|  |  |  |  |  | Grant Date |
|  |  |  |  |  | Fair Value |
|  | Shares |  |  | per Share |
Granted |  |  | 20,000 |  |  |  | 1.23 |
Vested |  |  | (10,000 | ) |  |  | 1.23 |
Forfeited |  |  | – |  |  |  | – |
Unvested at December 31, 2018 |  |  | 10,000 |  |  | $ | 1.23 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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