Note 6 - Preferred Stock and Common Stock (Details Textual)			1 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended	11 Months Ended	12 Months Ended
	Jun. 20, 2017	Aug. 08, 2016 shares	Feb. 29, 2016 USD ($) shares	Sep. 30, 2017 USD ($) shares	Dec. 31, 2017 USD ($) $ / shares shares	Sep. 30, 2016 USD ($)	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) shares	Apr. 30, 2017 USD ($) shares
Proceeds from Issuance of Private Placement | $							$ 1,940,005
Convertible Preferred Stock Converted to Other Securities | $				$ 148,125				$ 148,125
Common Stock, Shares, Issued					2,610,568		2,610,568	2,610,568	1,056,723
Common Stock, Shares, Outstanding					2,610,568		2,610,568	2,610,568	1,056,723
Preferred Stock, Dividend Rate, Percentage								10.00%
Preferred Stock, Amount of Preferred Dividends in Arrears | $								$ 27,361	$ 329,017
Preferred Stock, Amount of Preferred Dividends Undeclared and Unaccrued | $					$ 5,000		$ 5,000	$ 5,000
Stock Issued During Period, Shares, Share-based Compensation, Gross		220,000
Allocated Share-based Compensation Expense | $						$ 165,000
Share Price | $ / shares					$ 0.75		$ 0.75	$ 0.75
Board of Directors, Officers, and Officers of Subsidiary [Member]
Common Stock, Shares, Outstanding					828,060		828,060	828,060
Percentage of Outstanding of Common Stock								31.72%
Banyan Rail Holdings LLC [Member]
Common Stock, Shares, Outstanding					91,348		91,348	91,348
Marino Family Holdings LLC [Member]
Common Stock, Shares, Outstanding					351,966		351,966	351,966
Series A Preferred Stock Holders [Member]
Stock Issued During Period, Shares, Stock Splits				257,831
Series A Preferred Stock [Member]
Convertible Preferred Stock, Shares Issued upon Conversion										20
Shares Issued for Each Dollar of Preferred Dividend										0.2
Convertible Preferred Stock, Total Shares Issued upon Conversion										9,875
Dividends Payable | $										$ 301,656
Preferred Stock, Dividend Rate, Percentage								10.00%
Common Stock Dividends, Shares			29,856
Dividends, Common Stock | $			$ 29,249
Shares After Reverse Stock Split [Member]
Common Stock, Shares, Outstanding					1,059,581		1,059,581	1,059,581
Share From Private Placement [Member]
Common Stock, Shares, Outstanding					1,293,156		1,293,156	1,293,156
Shares From Preferred Stock and Preferred Dividend Exchange [Member]
Common Stock, Shares, Outstanding					257,831		257,831	257,831
Private Placement [Member]
Shares Issued, Price Per Share | $ / shares					$ 1.50		$ 1.50	$ 1.50
Stock Issued During Period, Shares, New Issues							1,293,334		2,500
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	10				10