Note 8 - Debt (Tables)

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

	June 30, 2014		December 31, 2013
Note payable to bank, with interest at 3.46%, payable in monthly principal installments of $72,917 plus interest through March 28, 2016, collateralized by all the assets of the Company except the Dansensor stock.	$	1,604,158	$	2,041,660
Seller financed note payable (Seller Note), with interest at 3.46%, payable in semi-annual payments of principal and interest totaling $891,000 beginning October 2, 2012 through April 2, 2015, collateralized by 65% of the outstanding stock of Dansensor.		1,010,416		1,914,941
Capital leases		40,342		47,926
Total notes payable	$	2,654,916	$	4,004,527
Less current portion of notes payable		1,892,812		2,697,678
Total long-term notes payable	$	762,104	$	1,306,849

Schedule of Maturities of Long Term Debt and Future Minimum Payments Under Capital Leases [Table Text Block]

2014	$	1,349,228
2015		996,577
2016		306,135
2017		2,976
	$	2,654,916