Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 19,485	$ 14,718
Accounts receivable, net	42,978	43,552
Prepaid expenses and other current assets	5,344	3,876
Total current assets	67,807	62,146
Property and equipment, net	250,765	214,500
Goodwill	42,403	42,403
Intangible assets, net	13,783	16,055
Other assets	6,223	5,908
Total assets	380,981	341,012
Current liabilities:
Accounts payable	15,516	29,376
Accrued expenses and other liabilities	27,723	36,177
Deferred revenue	50,869	25,759
Current portion of long-term debt	1,094	875
Current portion of capital leases and notes payable	3,993	1,761
Total current liabilities	99,195	93,948
Deferred revenue, net of current portion	152,719	106,825
Long-term debt	15,875	16,750
Long-term portion of capital leases and notes payable	4,612	2,336
Deferred tax liabilities	3,208	2,965
Other liabilities	6,826	6,153
Total liabilities	282,435	228,977
Commitments and contingencies (Note 12)
Stockholders' equity:
Preferred stock, $0.0001 par value; 5,000 shares authorized; no shares issued and outstanding
Common stock, $0.0001 par value; 100,000 shares authorized; 38,562 and 37,325 shares issued and outstanding for 2016 and 2015, respectively	4	4
Additional paid-in capital	211,275	197,612
Accumulated deficit	(112,601)	(85,176)
Accumulated other comprehensive loss	(870)	(1,160)
Total common stockholders' equity	97,808	111,280
Non-controlling interests	738	755
Total stockholders' equity	98,546	112,035
Total liabilities and stockholders' equity	$ 380,981	$ 341,012

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.