Note 3 - Notes Payable (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

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

	December 31,		June 30,
	2012		2013
Second amended and restated term credit facility, General Electric Capital Corporation; variable interest rate of 4.46% at December 31, 2012. The credit facility was secured by the total assets of the subsidiary guarantors. The unpaid balance was scheduled to be due October 31, 2013.	$	162,000,000	$	—
Third amended and restated term credit facility, General Electric Capital Corporation; variable interest rate of 6.50% at June 30, 2013. The credit facility is secured by the total assets of the subsidiary guarantors. The unpaid balance is due April 30, 2016.		—		133,300,000
13% Senior Subordinated Notes due 2019; premium amortization for the three and six months ended June 30, 2012 was $28,659 and $56,499, respectively. Premium amortization for the three and six months ended June 30, 2013 was $0 and $31,260, respectively.		100,490,023		—
13% Senior Subordinated Notes, held separately, due 2019.		8,500,000		—
Total notes payable	$	270,990,023	$	133,300,000
Less: current portion		270,990,023		6,665,000
Long-term notes payable	$	—	$	126,635,000

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

2013 (remaining)	$	3,332,500
2014		6,665,000
2015		6,665,000
2016		116,637,500
2017		—
Thereafter		—
Total	$	133,300,000