Note 13 - Income Taxes (Detail) - The Tax Effects of Temporary Differences Deferred Tax Assets And Deferred Tax Liabilities: (USD $)	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Federal net operating loss carryforwards	$ 12,600,000
State net operating loss carryforwards		23,900,000
Temporary Differences [Member] | Advance payments [Member]
Deferred tax assets:
Deferred tax assets	327,718	256,218	[1]
Temporary Differences [Member] | Bad Debt [Member]
Deferred tax assets:
Deferred tax assets	704,147	298,683	[1]
Temporary Differences [Member] | Amortization [Member]
Deferred tax liabilities:
Deferred tax liabilities	(10,129,938)	(28,374,977)	[1]
Temporary Differences [Member] | Depreciation [Member]
Deferred tax liabilities:
Deferred tax liabilities	(11,685,694)	(13,924,912)	[1]
Temporary Differences [Member] | Amortized Intangibles [Member]
Deferred tax liabilities:
Deferred tax liabilities	(839,560)	(5,796,972)	[1]
Temporary Differences [Member]
Deferred tax liabilities:
Deferred tax liabilities	(23,101,064)	(48,465,669)	[1]
Prepaid expense	(430,896)	(353,285)	[1]
Other	(14,976)	(15,523)	[1]
Deferred tax assets:
Federal net operating loss carryforwards	4,426,198	6,058,180	[1]
Alternative minimum credits carryforwards	555,690	504,130	[1]
State net operating loss carryforwards	769,262	438,786	[1]
Restructuring expense	632,170		[1]
Deferred compensation	322,644	297,468	[1]
Deferred tax assets	8,119,157	8,180,753	[1]
Other	$ 381,328	$ 327,288	[1]

[1] The 2011 balances include net deferred tax liabilities in the amount of $2,233,458 related to the STC stock acquisition that occurred on October 14, 2011. In 2012 the acquired net deferred tax liability was adjusted to $1,889,202. See note 3, Acquisitions, above.