Note 5 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Property and equipment	$ 7,106	$ 7,370
Less: accumulated depreciation and amortization	3,343	3,318
Property and equipment, net	3,763	4,052
Equipment and Furniture [Member]
Property and equipment	886	1,045
Computers and Systems [Member]
Property and equipment	5,416	5,521
Leasehold Improvements [Member]
Property and equipment	$ 804	$ 804

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Subparagraph (SX 210.5-02(13))
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