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Note 8 - Stock-based Compensation Expense	9 Months Ended
	Sep. 30, 2017
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	NOTE 8:      STOCK-BASED COMPENSATION EXPENSE During the three and nine months ended September 30, 2017 and September 30, 2016, the Company recorded compensation expense as part of general administrative expense, of $242,000 and $198,000 and $678,000 and $544,000 respectively, for the cost of employee and director services received in exchange for equity instruments based on the grant-date fair value of those instruments.

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- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-URI http://asc.fasb.org/subtopic&trid=2208855

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- References

No definition available.

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