Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 8,618	$ 7,888
Accounts receivable, net	11,282	9,244
Prepaid expenses	337	287
Refundable income taxes	9	9
Other current assets	877	758
Total current assets	21,123	18,186
Property and equipment, less accumulated depreciation and amortization of $13,307 in 2013 and $12,524 in 2012	24,908	25,177
Leased property under capital leases, less accumulated depreciation and amortization of $3,271 in 2013 and $2,905 in 2012	6,832	6,680
Noncurrent deferred tax asset	8	8
Other assets, net	108	104
Total assets	52,979	50,155
Current Liabilities:
Current portion of obligations under capital leases	55	2
Accounts payable	7,634	6,677
Accrued payroll and other compensation	804	486
Accrued income taxes	34	2
Other accrued taxes	228	303
Deferred revenues	2,622	2,180
Other liabilities and accrued expenses	501	424
Total current liabilities	11,878	10,074
Obligations under capital leases	411	224
Shareholders’ Equity:
Paid-in capital	58,749	58,646
Accumulated deficit	(18,097)	(18,827)
Total shareholders’ equity	40,690	39,857
Total liabilities and shareholders’ equity	52,979	50,155
Common Class A [Member]
Shareholders’ Equity:
Common Stock	32	32
Common Class B [Member]
Shareholders’ Equity:
Common Stock	$ 6	$ 6