Acquisition and Purchase Price Allocation - Hotel Donauwelle (Details) $ / shares in Units, € in Thousands, $ in Thousands						3 Months Ended	12 Months Ended
	Mar. 01, 2017 USD ($) room item	Mar. 01, 2017 USD ($) room item	Mar. 01, 2017 USD ($) room item	Mar. 01, 2017 EUR (€)	Mar. 01, 2017 USD ($) room item	Mar. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Mar. 01, 2017 EUR (€) room item
Business Combination, Consideration Transferred.
Cash paid | $						$ 390
Total purchase price consideration | $						4,517
Hotel Donauwelle Betriebsgesellschaft
Business Acquisition
Percentage of shares acquired	100.00%	100.00%	100.00%		100.00%			100.00%
Hotel Rating, Number of Stars	4	4	4		4			4
Driving time from Route 55 Casino					35
Number of Rooms in Hotel | room	176	176	176		176			176
Number of meeting rooms		6			6
Restaurant Capacity, Number of Seats	120	120	120		120			120
Bar Capacity, Number of Seats	40	40	40		40			40
Terrace Capacity, Number of Seats	100	100	100		100			100
Total acquisition cost	$ 4,741	$ 4,741	$ 4,741		$ 4,741			€ 4,431
Business Combination, Consideration Transferred.
Cash paid			390	€ 368
Due to seller (10% contingency)			31	29
Erste Bank Loan			4,096	3,866
Total purchase price consideration			$ 4,517	€ 4,263
Loan term	5 years
Interest rate (as a percent)	2.95%	2.95%	2.95%		2.95%			2.95%
Remaining balance to be paid off or refinanced at end of loan term	$ 2,083	$ 2,083	$ 2,083		$ 2,083			€ 1,966
Fair value assigned to assets acquired:
Buildings	4,365	4,365	4,365		4,365			4,120
Property & equipment	693	693	693		693			654
Intangibles	5	5	5		5			5
Financial assets	1	1	1		1			1
Current assets	625	625	625		625			589
Accounts payable	(55)	(55)	(55)		(55)			(52)
Short-term liabilities	(819)	(819)	(819)		(819)			(773)
Long-term liabilities	(298)	(298)	(298)		(298)			(281)
Fair value estimate of assets and liabilities acquired	$ 4,517	$ 4,517	$ 4,517		$ 4,517			€ 4,263
Business Acquisition, Pro Forma Information
Revenues | $						13,585	$ 57,929
Net income | $						$ 727	$ 7,111
Weighted Average Number of Shares Outstanding
Basic | shares						8,859,289	8,838,984
Diluted | shares						9,889,113	9,498,578
Earnings Per Share, Basic and Diluted
Basic | $ / shares						$ 0.08	$ 0.80
Diluted | $ / shares						$ 0.07	$ 0.75