Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 81,909	$ 37,843
Trade accounts receivable, net of allowance for doubtful accounts of $32 and $65, respectively and estimated allowance for appeals of $1,160 and $1,199, respectively	19,649	23,044
Deferred income taxes	6,847	3,798
Prepaid expenses and other current assets	4,400	2,876
Debt issuance costs, current portion	1,055	1,125
Total current assets	113,860	68,686
Property, equipment, and leasehold improvements, net	26,247	20,669
Identifiable intangible assets, net	32,513	36,244
Goodwill	81,572	81,572
Debt issuance costs, net	2,789	3,844
Other assets	279	730
Total assets	257,260	211,745
Current liabilities:
Current maturities of notes payable	10,763	11,040
Accrued salaries and benefits	11,826	9,288
Accounts payable	2,383	1,403
Other current liabilities	5,311	8,252
Income taxes payable	103	430
Deferred revenue	0	2,187
Estimated liability for appeals	15,283	4,378
Total current liabilities	45,669	36,978
Notes payable, net of current portion	122,541	136,729
Deferred income taxes	12,612	11,271
Other liabilities	2,204	2,694
Total liabilities	183,026	187,672
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.0001 par value. Authorized, 500,000 and 50,000 shares at December 31, 2013 and 2012, respectively; issued and outstanding 48,316 and 45,392 shares at December 31, 2013 and 2012, respectively	5	4
Additional paid-in capital	49,791	35,970
Retained earnings (deficit)	24,438	(11,901)
Total stockholders’ equity	74,234	24,073
Total liabilities and stockholders’ equity	$ 257,260	$ 211,745