Subsequent Events	12 Months Ended
Dec. 31, 2015
Subsequent Events [Abstract]
Subsequent Events [Text Block]	20. Subsequent Events On February 1, 2016, the Company sold its Des Moines, Iowa facility for $1.1 million in a sale/leaseback transaction. The lease is for a two year period at an annual rental of $158,000. As a result of the sale, the remaining $329,000 mortgage was satisfied. Net proceeds of $661,000 were received. The Company calculated a gain of $267,000, which will be amortized over the 24 month term of the lease, in accordance with ASU 2016-02.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration