Note 6 - Credit Facilities and Capital Leases (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2013

Dec. 31, 2012

Debt Disclosure [Abstract]

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

Twelve-month period ending June 30,
2014	$	6,970
2015		7,120
2016		5,476
2017		2,065
Total		21,631
Less: imputed interest		(960	)
Net capital lease obligation	$	20,671

Year ending December 31,
2013	$	6,049
2014		5,821
2015		4,618
2016		1,931
Total		18,419
Less: imputed interest		(920	)
Net capital lease obligation	$	17,499