Summary of Significant Accounting Policies (Narrative) (Details) ft² in Millions		3 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($) ft²	Mar. 31, 2016 USD ($)	Mar. 31, 2016 USD ($) segment	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)
Summary of Significant Accounting Policies (Textual) [Abstract]
Accounts receivable, minimum period due			30 days
Accounts receivable, maximum period due			60 days
Deferred contract costs	$ 36,691	$ 36,691	$ 36,691	$ 90,258
Proceeds from sales of property, plant and equipment			35,000	1,040,000	$ 80,000
Impairment charge as a result of purchase and sale agreement			$ 1,614,000
Number of reportable segments (segment) | segment			3
Impairment charge				1,029,586
Depreciation			$ 2,950,000	2,853,000	3,798,000
Goodwill	0	0	0	4,409,000	4,409,000
Goodwill impairment charge			4,409,000	0
Impairment write-off of intangible assets			$ 78,000	120,000	45,000
Debt useful life, minimum			1 year
Debt useful life, maximum			3 years
Interest expense			$ 114,000	156,000	40,000
Limited warranty term			1 year
Warranty reserves	864,000	864,000	$ 864,000	1,015,000	263,000
Solar power systems completion period minimum			3 months
Solar power systems completion period maximum			15 months
Power purchase agreement product revenue is recognized term			10 years
Advertising costs			$ 4,000	149,000	28,000
Deferred tax assets valuation allowance			5,740,000
Tax benefit (expense)			$ 0	0	$ 13,000
Maximum
Summary of Significant Accounting Policies (Textual) [Abstract]
Inventory consideration usage			24 months
Minimum
Summary of Significant Accounting Policies (Textual) [Abstract]
Inventory consideration usage			9 months
Engineered Systems
Summary of Significant Accounting Policies (Textual) [Abstract]
Warranty reserves	310,000	310,000	$ 310,000
Construction in progress
Summary of Significant Accounting Policies (Textual) [Abstract]
Interest capitalized for construction in progress			$ 0	0
Operating Segments | U.S. Markets
Summary of Significant Accounting Policies (Textual) [Abstract]
Impairment charge as a result of purchase and sale agreement	689,000
Goodwill				2,371,000
Goodwill impairment charge		2,371,000
Operating Segments | Engineered Systems
Summary of Significant Accounting Policies (Textual) [Abstract]
Impairment charge as a result of purchase and sale agreement	804,000
Goodwill				$ 2,038,000
Goodwill impairment charge		$ 2,038,000
Operating Segments | Distribution Services
Summary of Significant Accounting Policies (Textual) [Abstract]
Impairment charge as a result of purchase and sale agreement	121,000
Manitowoc Manufacturing and Distribution Facility
Summary of Significant Accounting Policies (Textual) [Abstract]
Cash purchase price	$ 2,600,000
Area of leased property (sqft) | ft²	0.2
Sale leaseback term	3 years