Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows From Operating Activities
Net income	$ 5,973	$ 15,768
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,443	5,647
Amortization of National Geographic fee	1,454
Amortization of debt discount, deferred financing and other costs	1,166	2,208
Stock-based compensation	2,622	2,427
Deferred income taxes	(3,119)	(46)
Loss on currency translation	286	194
Gain on transfer of assets		(7,502)
Changes in operating assets and liabilities
Inventories and marine operating supplies	1,103	(251)
Prepaid expenses and other current assets	(1,347)	317
Unearned passenger revenues	(924)	6,022
Other long-term liabilities	15	(26)
Accounts payable and accrued expenses	(9,828)	(881)
Net cash provided by operating activities	6,844	23,877
Cash Flows From Investing Activities
Purchase of investment in CFMF		(68,087)
Acquisition of Natural Habitat, Inc., net of cash acquired	(9,946)
Purchase of property and equipment	(32,896)	(2,856)
Advance to shareholder		1,501
Purchase of restricted cash and marketable securities	(9,158)	(39,143)
Net cash used in investing activities	(52,000)	(108,585)
Cash Flows From Financing Activities
Proceeds from long-term debt		150,000
Payment of deferred financing costs	(1,565)	(10,532)
Repayments of long-term debt	(875)	(41,003)
Proceeds used in exchange of option shares	(2,694)
Repurchase of warrants	(5,420)
Net cash (used in) provided by financing activities	(10,554)	98,465
Effect of exchange rate changes on cash	(380)	37
Net (decrease) increase in cash and cash equivalents	(56,090)	13,794
Cash and cash equivalents as of beginning of period	206,903	39,679
Cash and cash equivalents as of end of period	150,813	53,473
Cash paid during the period for:
Interest	4,925	2,087
Income taxes	864	298
Assets acquired and liabilities assumed:
Cash and cash equivalents	4,904
Current assets, excluding cash acquired	9,623
Property and equipment	2,068
Goodwill and other intangibles	28,309
Accounts payable and accrued expenses	(2,476)
Unearned passenger revenues	(15,000)
Deferred tax liability	(2,428)
Redeemable noncontrolling interest	(4,975)
Total purchase price consideration	20,025
Consideration consisted of:
Cash paid to acquire Natural Habitat, Inc.	(14,850)
Non-cash consideration - long-term debt	(2,525)
Non-cash consideration - Lindblad restricted shares	(2,650)
Increase in amount due from DVB		4,972
Investment in CFMF liquidation of Junior debt asset, warrant		84,903
CFMF liquidation of Junior debt long-term debt, additional paid-in capital		(84,903)
Additional paid-in capital exercise proceeds of option shares	1,123
Additional paid-in capital exchange proceeds used for option shares	$ (1,123)