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Note 14 - Net Income Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year Ended December 31, |
|  | 20 18 |  |  | 20 17 |
Numerator: |  |  |  |  |  |  |  |
Net loss attributable to SPAR Group, Inc. |  | $ | (1,551 | ) |  | $ | (923 | )
Denominator: |  |  |  |  |  |  |  |
Shares used in basic net income per share calculation |  |  | 20,684 |  |  |  | 20,617 |
Effect of diluted securities: |  |  |  |  |  |  |  |
Stock options and unvested restricted shares |  |  | – |  |  |  | – |
Shares used in diluted net income per share calculations |  |  | 20,684 |  |  |  | 20,617 |
Basic and Diluted net loss per common share: |  | $ | (0.07 | ) |  | $ | (0.04 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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