CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 45,487	$ 80,889
Healthcare accounts receivable, net of allowance for doubtful accounts of $27,582 and $25,345, at March 31, 2019 and December 31, 2018, respectively	44,343	37,754
Other accounts receivable, net of allowance for doubtful accounts of $283 and $268, at March 31, 2019 and December 31, 2018, respectively	16,116	14,874
Inventory	8,956	7,323
Prepaid expenses and other current assets	6,502	5,820
Total current assets	121,404	146,660
Property and equipment, net of accumulated depreciation of $67,077 and $67,202, at March 31, 2019 and December 31, 2018, respectively	50,494	48,377
Intangible assets, net	140,658	129,653
Goodwill	303,685	238,814
Deferred tax assets	19,512	19,975
Other assets	24,236	3,322
Total assets	659,989	586,801
Current liabilities:
Accounts payable	26,398	18,157
Accrued liabilities	22,964	21,609
Finance Lease, Liability, Current	880
Current portion of finance lease obligations		1,652
Current portion of long-term debt	7,688	5,125
Contract with Customer, Liability, Current	3,099	3,080
Total current liabilities	61,029	49,623
Finance Lease, Liability, Noncurrent	602
Long-term portion of finance lease obligations		117
Long-term debt	189,891	193,424
Other long-term liabilities	75,460	33,152
Total liabilities	326,982	276,316
Stockholders’ equity:
Common stock—$0.001 par value as of March 31, 2019 and December 31, 2018; 200,000,000 shares authorized as of March 31, 2019 and December 31, 2018; 33,803,736 and 33,406,364 shares issued and outstanding at March 31, 2019 and December 31, 2018, respectively	34	33
Paid-in capital	436,892	426,054
Accumulated other comprehensive income	254	256
Accumulated deficit	(104,173)	(115,858)
Total equity	333,007	310,485
Total liabilities and equity	$ 659,989	$ 586,801