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2. Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2017 | Oct. 01, 2016 | Oct. 01, 2016 | Sep. 30, 2017 | Oct. 01, 2016 | Dec. 31, 2016
Allowance for doubtful accounts | $ 61 | $ 61 |  |  | $ 61 |  | $ 54
Depreciation and amortization | 173 | 173 | $ 302 | $ 302 | 782 | $ 936 |
Intangible amortization expense | 272 |  |  |  | 272 | 0 |
Advertising expense |  | 484 |  | $ 241 | 1,227 | $ 978 |
FDIC insured amount | $ 250 | $ 250 |  |  | $ 250 |  |
Domain name and marketing [Member] |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 3 to 20 years |  |
Software [Member] |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 3 to 5 years |  |
Customer Relationships [Member] |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 7 to 15 years |  |
ARCA Advanced Processing, LLC [Member] |  |  |  |  |  |  |
Interest in a joint venture (as a percent) | 50.00% | 50.00% |  |  | 50.00% |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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