XML 74 R28.htm IDEA: XBRL DOCUMENT
v3.19.3

Note 4 - Accounts Receivable (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2019
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
Accounts receivable - current |  | $ | 787,119 |  |  | $ | 1,587,817 |
Accounts receivable - non current |  |  | 1,720,000 |  |  |  | 1,720,000 |
Total accounts receivable |  |  | 2,507,119 |  |  |  | 3,307,817 |
Allowance for doubtful accounts - current |  |  | (13,785 | ) |  |  | (13,785 | )
Allowance for doubtful accounts - non current |  |  | (1,720,000 | ) |  |  | (1,720,000 | )
Total allowance for doubtful accounts |  |  | (1,733,785 | ) |  |  | (1,733,785 | )
Accounts receivable, net of allowance for doubtful accounts |  | $ | 773,334 |  |  | $ | 1,574,032 |

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration