XML 48 R34.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 8 - Accrued Liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Disclosure Text Block Supplement [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] |
|  | December 31,
|  | 2014 |  | 2015
Interest on long-term debt |  |  | 1,436,466 |  |  |  | 2,536,034 |
Administrative expenses |  |  | 339,778 |  |  |  | 291,932 |
Vessel operating and voyage expenses |  |  | 2,126,783 |  |  |  | 2,774,973 |
Total |  |  | 3,903,027 |  |  |  | 5,602,939 |

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

X
- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration