CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating activities
Net income	$ 11,609	$ 745
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,886	383
Amortization of intangible assets	579	105
Provision for bad debt	129	37
Stock-based compensation	223	144
Amortization of debt discount	76	0
Amortization of loan fees	19	0
Loss (gain) on sale of assets	10	(17)
Amortization of premiums on investments	12	36
Deferred income taxes	(11,805)	0
Changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable	3	(665)
Inventories	(63)	(13)
Other assets	(322)	(6)
Accounts payable	(871)	670
Accrued compensation	(636)	(755)
Deferred revenue	393	(163)
Other liabilities	(506)	(379)
Net cash provided by operating activities	736	122
Investing activities
Purchases of property and equipment	(1,016)	(211)
Net proceeds from sale of assets	0	17
Maturities of securities available-for-sale	706	865
Cash paid for acquisitions, net of cash acquired	(26,082)	3
Net cash (used in) provided by investing activities	(26,392)	674
Financing activities
Proceeds from long-term borrowings	33,257	0
Repayment of long-term debt	(11,043)	0
Change in restricted cash	(3,536)	0
Loan issuance costs	(504)	0
Dividends paid	(972)	(931)
Issuances of common stock	97	48
Taxes paid related to net share settlement of equity awards	(97)	0
Cash paid for contingent consideration for acquisitions	(19)	0
Repayment of obligations under capital leases	(193)	(88)
Net cash provided by (used in) financing activities	16,990	(971)
Net decrease in cash and cash equivalents	(8,666)	(175)
Cash and cash equivalents at beginning of period	15,868	14,051
Cash and cash equivalents at end of period	7,202	13,876
Non-Cash Investing Activities
Assets acquired by entering into capital leases	155	122
Issuance of common stock for acquisition	$ 0	$ 2,684