Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Segment	Sep. 30, 2013	Dec. 31, 2013
Segments [Abstract]
Number of operating segments			2
Number of reportable segments			2
Segment Reporting Information [Line Items]
Segment net sales	$ 26,374	$ 25,519	$ 76,756	$ 71,696
Income (loss) from operations	803	(436)	(3,750)	(2,719)
Depreciation and amortization	(2,593)	(3,050)	(8,094)	(8,579)
Loss on disposal and impairment of property and equipment	58	61	1,081	137
Capital expenditures			5,810	5,649
Identifiable assets	69,026		69,026		70,971
Reconciling Items [Member]
Segment Reporting Information [Line Items]
Non-recurring costs	(54)	(96)	(2,773)	(190)
Depreciation and amortization	(2,593)	(3,050)	(8,094)	(8,579)
Loss on disposal and impairment of property and equipment	(58)	(61)	(1,081)	(137)
Water [Member]
Segment Reporting Information [Line Items]
Capital expenditures			5,357	5,394
Dispensers [Member]
Segment Reporting Information [Line Items]
Capital expenditures			436	62
Assets of Disposal Group Held for Sale [Member]
Segment Reporting Information [Line Items]
Identifiable assets	4		4		225
Operating Segments [Member] | Water [Member]
Segment Reporting Information [Line Items]
Segment net sales	18,860	17,544	51,851	48,686
Income (loss) from operations	6,279	4,985	16,640	13,789
Depreciation and amortization	2,365	2,733	7,403	7,601
Identifiable assets	54,528		54,528		58,057
Operating Segments [Member] | Dispensers [Member]
Segment Reporting Information [Line Items]
Segment net sales	7,514	7,975	24,905	23,010
Income (loss) from operations	319	447	1,049	701
Depreciation and amortization	85	148	236	445
Identifiable assets	12,576		12,576		9,757
Corporate [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	(3,090)	(2,661)	(9,491)	(8,303)
Depreciation and amortization	143	169	455	533
Capital expenditures			17	193
Identifiable assets	$ 1,918		$ 1,918		$ 2,932