Note 2 - Liquidity (Details) (USD $)	6 Months Ended		12 Months Ended								0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2009	Mar. 31, 2014	Dec. 31, 2013		Dec. 30, 2013	Aug. 31, 2012	Jul. 02, 2014 Public Offering [Member] Subsequent Event [Member]	Jun. 27, 2014 Public Offering [Member]
Note 2 - Liquidity (Details) [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 1,762,000	$ 1,313,000	$ 2,536,000				$ 2,101,000	[1]
Line of Credit Facility, Remaining Borrowing Capacity	2,000,000
Line of Credit Facility, Maximum Borrowing Capacity	5,000,000						5,000,000		3,000,000	3,000,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(178,000)	(660,000)
Working Capital	5,924,000
Public Offering, Shares Authorized (in Shares)												4,650,000
Share Price (in Dollars per share)											$ 5.00	$ 5.00
Stock Issued During Period, Shares, New Issues (in Shares)											5,347,500
Proceeds from Issuance of Common Stock											25,200,000
Proceeds from Issuance of Private Placement			2,000,000	7,213,000	5,304,000
Long-term Line of Credit	$ 3,000,000					$ 3,000,000

[1] Derived from the audited December 31, 2013 financial statements