Note 2 - Liquidity and Managements' Plans (Details Textual) - USD ($)		2 Months Ended	12 Months Ended
	Mar. 31, 2017	Mar. 03, 2017	Dec. 31, 2016	Dec. 31, 2015	Apr. 15, 2017	Mar. 28, 2017
Available Liquidity			$ 5,150,000
Cash			620,000
Net Cash Provided by (Used in) Operating Activities, Continuing Operations			(1,996,828)	$ 12,143,762
Long-term Debt			622,872	904,768
Subordinated Debt [Member] | Scenario, Forecast [Member]
Debt Instrument, Interest Rate, Stated Percentage					12.00%
Subsequent Event [Member]
Cash		$ 542,000
Decrease in Available Liquidity		545,000
Two Thousand Fourteen Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Remaining Borrowing Capacity			4,500,000	9,900,000
Long-term Debt			$ 23,180,514	$ 20,706,241
Two Thousand Fourteen Credit Agreement [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]
Line of Credit Facility, Remaining Borrowing Capacity		$ 3,060,000
Debt Instrument, Required Funds to be Raised	$ 1,500,000
Debt Instrument, Letters of Credit Issued	1,500,000
Long-term Debt						$ 25,700,000
Two Thousand Fourteen Credit Agreement [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member] | Subordinated Debt [Member]
Debt Instrument, Required Additional Funds to be Raised	$ 1,000,000