Summary of Significant Accounting Policies (Detail Textuals) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2016 Tenant	Mar. 31, 2016 USD ($) Supplier Tenant	Mar. 31, 2015 USD ($) Supplier	Mar. 31, 2014 USD ($)	Dec. 31, 2016 ft²	Dec. 22, 2015 USD ($) ft² a Building
Significant Accounting Policies [Line Items]
Allowance for doubtful accounts (in dollars) | $		$ 13	$ 8
Short term investments - available for sale | $			15,591
Inventory reserve | $		$ 64	63
Depreciation method		straight-line method
Purchase price of Property purchased | $						$ 18,500
Area of land | ft²						634,000
Area of building complex | a						14.6
Number of Units in Real Estate Property | Building						2
Percentage of property on lease		48.00%
Number of tenants | Tenant	2	2
Remaining weighted average lease term		4 years
Unrealized gain (loss) on short term investments | $		$ 54	$ (17)	$ (35)
Building
Significant Accounting Policies [Line Items]
Estimated useful lives of assets		thirty years
Area of building complex | ft²						185,000
Furniture, fixtures and equipment
Significant Accounting Policies [Line Items]
Estimated useful lives of assets		three to seven years
Computer software
Significant Accounting Policies [Line Items]
Estimated useful lives of assets		three to seven years
Building One
Significant Accounting Policies [Line Items]
Area of building complex | ft²						125,000
Building One | Subsequent Event
Significant Accounting Policies [Line Items]
Area of building complex | ft²					97,000
Building Two
Significant Accounting Policies [Line Items]
Area of building complex | ft²						60,000
Supplier concentration risk | Cost of goods
Significant Accounting Policies [Line Items]
Number of suppliers | Supplier		4	4
Percentage products purchased from suppliers		50.00%	50.00%