Acquisition (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended		8 Months Ended	1 Months Ended
	Mar. 14, 2014	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2014	Mar. 31, 2014
Business Acquisition [Line Items]
Purchase of LDI		$ 0	$ 3,092,000
Amortization expense (less than $300)		45,000	28,000
Goodwill, expected tax deductible period	15 years
Revenues		9,545,000	9,835,000
Net income (loss)		(781,000)	(809,000)
Acquisition costs				117,000
Expense related to fair value adjustment for acquisition date inventories			222,000	222,000	222,000
Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Acquisition costs			47,000
Laser Design Inc [Member]
Business Acquisition [Line Items]
Purchase of LDI	2,633,000
Liabilities assumed	1,073,000
Purchase price adjustment allocated to intangible assets					24,000
Purchase price adjustment allocated to goodwill					46,000
Amortization expense (less than $300)			300
Revenues		1,241,000
Net income (loss)		(272,000)
LDI's contribution to revenue since date of acquisition			517,000
LDI's contribution to net income (loss) since date of acquisition			(91,000)
Laser Design Inc [Member] | Executive Officer [Member]
Business Acquisition [Line Items]
Purchase of LDI	475,000