Business Segment Information - Schedule of Segment Reporting Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Total net revenue	$ 16,453	$ 19,559	$ 46,458	$ 56,885
Total gross profit	3,530	5,319	7,670	15,033
Loss from operations	1,792	(548)	10,399	880
Other income (expense)	6	(35)	(9)	(24)
Loss before taxes and equity method investment (loss) income	1,231	(156)	9,681	1,380
Business Segments [Member]
Segment Reporting Information [Line Items]
Total segment net revenue	16,626	19,898	47,080	57,452
Eliminations	(173)	(339)	(622)	(567)
Total net revenue	16,453	19,559	46,458	56,885
Total gross profit	3,530	5,319	7,670	15,033
Total segment operating (loss) income	738	2,846	(2,642)	6,210
Unallocated general and administrative expenses	(1,712)	(2,298)	(6,939)	(7,090)
Unallocated loss on disposal of assets	(818)		(818)
Loss from operations	(1,792)	548	(10,399)	(880)
Other income (expense)	561	(392)	718	(500)
Loss before taxes and equity method investment (loss) income	(1,231)	156	(9,681)	(1,380)
Business Segments [Member] | Cinema [Member]
Segment Reporting Information [Line Items]
Total segment net revenue	11,560	12,290	33,438	38,153
Total gross profit	4,415	3,934	11,015	11,565
Total segment operating (loss) income	3,383	3,028	7,681	8,593
Business Segments [Member] | Digital Media [Member]
Segment Reporting Information [Line Items]
Total segment net revenue	5,050	7,595	13,593	19,277
Total gross profit	(901)	1,372	(3,394)	3,445
Total segment operating (loss) income	(2,563)	(84)	(10,042)	(2,094)
Business Segments [Member] | Other [Member]
Segment Reporting Information [Line Items]
Total segment net revenue	16	13	49	22
Total gross profit	16	13	49	23
Total segment operating (loss) income	$ (82)	$ (98)	$ (281)	$ (289)