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CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
OPERATING ACTIVITIES    
Net income including non-controlling interests $ 12,424 $ 13,624
Adjustments to reconcile net income including non-controlling interests to net cash provided by operating activities:    
Depreciation and amortization 4,789 4,158
Provision for doubtful accounts 1,786 2,045
Loss on sale of fixed assets 65 0
Equity-based awards compensation expense 2,345 2,484
Deferred income tax (985) 2,503
Changes in operating assets and liabilities:    
Increase in patient accounts receivable (4,006) (2,449)
(Increase) decrease in accounts receivable - other (3,406) 53
Increase in other assets (2,342) (2,443)
Increase in accounts payable and accrued expenses 5,043 6,603
Increase in mandatorily redeemable non-controlling interests 6,401 4,028
Increase in other liabilities 77 447
Net cash provided by operating activities 22,191 31,053
INVESTING ACTIVITIES    
Purchase of fixed assets (3,245) (3,453)
Purchase of businesses, net of cash acquired (33,665) (12,958)
Acquisitions of non-controlling interests 0 (250)
Proceeds on sale of fixed assets, net 62 42
Net cash used in investing activities (36,848) (16,619)
FINANCING ACTIVITIES    
Distributions to non-controlling interests (2,665) (2,893)
Cash dividends paid to shareholders (2,516) (4,254)
Proceeds from revolving line of credit 49,000 93,000
Payments on revolving line of credit (26,000) (94,500)
Payments to settle mandatorily redeemable non-controlling interests (2,230) (1,136)
Principal payments on notes payable (777) (533)
Tax benefit from equity-based awards 0 556
Other 40 1
Net cash used in financing activities 14,852 (9,759)
Net increase in cash and cash equivalents 195 4,675
Cash and cash equivalents - beginning of period 20,047 15,778
Cash and cash equivalents - end of period 20,242 20,453
Cash paid during the period for:    
Income taxes 7,516 5,513
Interest 104 512
Non-cash investing and financing transactions during the period:    
Purchase of business - seller financing portion 1,650 500
Acquisition of non-controlling interest - seller financing portion 0 388
Payment to settle redeemable non-controlling interest - financing portion 0 126
Sale of non-controlling interests $ 0 $ (148)