Note 8 - Investment in Unconsolidated Affiliate - Summarized Financial Information (Unaudited) of Milestone China (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Dec. 31, 2017 |
|
| Revenue from Contract with Customer, Including Assessed Tax | $ 1,622,246 | $ 2,853,813 | $ 5,856,351 | $ 9,066,550 | ||
| Cost of goods sold | 1,742,451 | 1,044,540 | 3,326,341 | 3,320,411 | ||
| Gross Profit | (120,205) | 1,809,273 | 2,530,010 | 5,746,139 | ||
| Net Losses | (4,404,565) | (1,417,546) | (7,729,937) | (3,535,980) | ||
| Milestone China [Member] | ||||||
| Current assets | $ 14,006,025 | 14,006,025 | 14,006,025 | $ 13,127,422 | ||
| Non-current assets | 2,920,936 | 2,920,936 | 2,920,936 | 3,213,520 | ||
| Total assets: | 16,926,961 | 16,926,961 | 16,926,961 | 16,340,942 | ||
| Current liabilities | 21,122,545 | 21,122,545 | 21,122,545 | 18,468,937 | ||
| Stockholders' equity | (4,195,584) | (4,195,584) | (4,195,584) | (2,127,995) | ||
| Total liabilities and stockholders’ equity | 16,926,961 | $ 16,926,961 | 16,926,961 | $ 16,340,942 | ||
| Revenue from Contract with Customer, Including Assessed Tax | 1,704,473 | 1,382,588 | 3,789,507 | 2,548,140 | ||
| Cost of goods sold | 787,557 | 556,430 | 1,886,009 | 1,445,634 | ||
| Gross Profit | 916,916 | 826,158 | 1,903,498 | 1,102,506 | ||
| Other Expenses | (1,279,454) | (1,886,180) | (3,651,106) | (3,487,845) | ||
| Net Losses | $ (362,538) | $ (1,060,022) | $ (1,747,608) | $ (2,385,339) | ||
| X | ||||||||||
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The amount of assets reported by an equity method investment of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The amount of current assets reported by an equity method investment of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The amount of current liabilities reported by an equity method investment of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of equity, including noncontrolling interest, reported by an equity method investment of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The amount of liabilities and equity reported by an equity method investment of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The amount of noncurrent assets reported by an equity method investment of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. No definition available.
|
| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|