Note 5 - Income Taxes (Details) - Deferred Tax Assets and Liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Allowance for doubtful accounts	$ 63	$ 86
Accrued expenses	497	356
Share based compensation	1,113	859
Capital loss carryforward	1,124	1,132
Net operating loss		170
Tax credit carryforward		319
Other	39
Gross deferred tax assets	2,836	2,922
Less Valuation Allowance	(1,124)	(1,138)
Deferred tax assets	1,712	1,784
Deferred tax liabilities:
Prepaid expenses	286	324
Property and equipment	1,426	1,790
Intangible assets	6,879	6,415
Other	200	235
Deferred tax liabilities	8,791	8,764
Net deferred tax liabilities	$ (7,079)	$ (6,980)