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v3.19.1

Note P - Concentration (Details Textual) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Accounts Receivable, Gross |  | $ 2,078,457 |
Allowance for Doubtful Accounts Receivable, Ending Balance |  | 10,000 | $ 10,000
Milestone China [Member] |  |  |
Accounts Receivable, Gross |  | 1,917,990 |
Allowance for Doubtful Accounts Receivable, Ending Balance |  | 1,817,990 |
Provision for Doubtful Accounts |  | $ 1,250,928 |
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] |  |  |
Number of Customers | 2 |  | 2
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Two Customers [Member] |  |  |
Concentration Risk, Percentage |  | 53.00% | 70.00%
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer One [Member] |  |  |
Concentration Risk, Percentage |  | 43.00% | 51.00%
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer Two [Member] |  |  |
Concentration Risk, Percentage |  | 10.00% | 19.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member] |  |  |
Concentration Risk, Percentage |  | 63.00% |
Accounts Receivable, Gross |  | $ 82 |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer One [Member] |  |  |
Concentration Risk, Percentage |  | 49.00% |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Two [Member] |  |  |
Concentration Risk, Percentage |  | 33.00% |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | One Customer [Member] |  |  |
Concentration Risk, Percentage |  |  | 78.00%
Accounts Receivable, Gross |  |  | $ 2,555,000

X
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X
- Definition For unclassified balance sheet, amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(9)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044 + Details
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