Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Allowance for doubtful accounts	$ 5	$ 1
Inventory reserves and uniform capitalization	982	661
Other accrued liabilities	91	178
Deferred tax assets, reserve and accruals	1,078	840
Valuation allowance-current deferred tax assets	(1,032)	(712)
Total current deferred tax assets	46	128
Depreciation on property, plant & equipment	26	142
Non-qualified stock option expense	13	3
Deferred compensation	240	246
Deferred income	3
Tax credits	55	114
Net operating loss carry-forwards	6,900	5,095
Other, net	448	45
Deferred tax assets, gross total	7,685	5,645
Valuation allowance-long-term deferred tax assets	(7,632)	(5,586)
Total long-term deferred tax assets	53	59
Intangible assets other than goodwill	(17)
Total deferred tax assets (long-term)	36
Net deferred tax assets (liabilities)	$ 82	$ 187