| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
The following tables present summary information by segment for the nine and three months ended March 31, 2015 and 2014, respectively: | | | For the nine months ended March 31, 2015 | | | | | Shipping Agency and Ship Management Services | | Shipping & Chartering Services | | Inland Transportation Management Services | | Total | | | Revenues | | $ | 4,690,972 | | $ | - | | $ | 3,534,295 | | $ | 8,225,267 | | | Cost of revenues | | $ | 3,756,926 | | $ | - | | $ | 547,665 | | $ | 4,304,591 | | | Gross profit | | $ | 934,046 | | $ | - | | $ | 2,986,630 | | $ | 3,920,676 | | | Depreciation and amortization | | $ | 132,203 | | $ | - | | $ | 8,261 | | $ | 140,464 | | | Total capital expenditures | | $ | 84,086 | | $ | - | | $ | - | | $ | 84,086 | | | Total assets | | $ | 7,869,985 | | $ | - | | $ | 231,746 | | $ | 8,101,731 | | | | | For the nine months ended March 31, 2014 | | | | | Shipping Agency and Ship Management Services | | Shipping & Chartering Services | | Inland Transportation Management Services | | Total | | | Revenues | | $ | 4,628,578 | | $ | 1,937,196 | | $ | 1,316,600 | | $ | 7,882,374 | | | Cost of revenues | | $ | 3,598,641 | | $ | 1,291,048 | | $ | 187,396 | | $ | 5,077,085 | | | Gross profit | | $ | 1,029,937 | | $ | 646,148 | | $ | 1,129,204 | | $ | 2,805,289 | | | Depreciation and amortization | | $ | 74,525 | | $ | 699 | | $ | 27,817 | | $ | 103,041 | | | Total capital expenditures | | $ | 193,001 | | $ | - | | $ | 10,701 | | $ | 203,702 | | | Total assets | | $ | 3,099,046 | | $ | 446,594 | | $ | 972,707 | | $ | 4,518,347 | | | | | For the three months ended March 31, 2015 | | | | | Shipping Agency and Ship Management Services | | Shipping & Chartering Services | | Inland Transportation Management Services | | Total | | | Revenues | | $ | 1,231,182 | | $ | - | | $ | 1,295,580 | | $ | 2,526,762 | | | Cost of revenues | | $ | 980,136 | | $ | - | | $ | 240,441 | | $ | 1,220,577 | | | Gross profit | | $ | 251,046 | | $ | - | | $ | 1,055,139 | | $ | 1,306,185 | | | Depreciation and amortization | | $ | 29,511 | | $ | - | | $ | 2,589 | | $ | 32,100 | | | Total capital expenditures | | $ | 56,978 | | $ | - | | $ | - | | $ | 56,978 | | | Total assets | | $ | 7,869,985 | | $ | - | | $ | 231,746 | | $ | 8,101,731 | | | | | For the three months ended March 31, 2014 | | | | | Shipping Agency and Ship Management Services | | Shipping & Chartering Services | | Inland Transportation Management Services | | Total | | | Revenues | | $ | 1,226,015 | | $ | - | | $ | 866,510 | | $ | 2,092,525 | | | Cost of revenues | | $ | 825,181 | | $ | - | | $ | 123,333 | | $ | 948,514 | | | Gross profit | | $ | 400,834 | | $ | - | | $ | 743,177 | | $ | 1,144,011 | | | Depreciation and amortization | | $ | 19,852 | | $ | 233 | | $ | 9,324 | | $ | 46,057 | | | Total capital expenditures | | $ | 1,472 | | $ | - | | $ | 8,861 | | $ | 10,333 | | | Total assets | | $ | 3,099,046 | | $ | 446,594 | | $ | 972,707 | | $ | 4,518,347 | | |