(7) Line of Credit	9 Months Ended
Sep. 30, 2017
Debt Disclosure [Abstract]
(7) Line of Credit	(7) Line of Credit In June 2017, the Company renewed its $1,500,000 revolving line of credit (“LOC”) with Santander Bank. The agreement matures at the end of May 2018. The LOC is secured by the accounts receivable and other assets of the Company, has an interest rate of prime plus 100 basis points. Under the terms of the agreement, the Company is required to maintain its operating accounts with Santander Bank. The Company is also subject to certain financial covenants. These include specific earnings levels, targeted current ratios and targeted debt to tangible net worth ratios at the end of each fiscal quarter. At September 30, 2017, the Company was in compliance with all existing covenants. Also, at September 30, 2017, the Company had no borrowings under this LOC and its borrowing base at the time would have permitted $1,500,000 to have been borrowed.

The entire disclosure for debt and capital lease obligations can be reported. Information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. Also includes descriptions and amounts of capital leasing arrangements that consist of direct financing, sales type and leveraged leases. Disclosure may include the effect on the balance sheet and the income statement resulting from a change in lease classification for leases that at inception would have been classified differently had guidance been in effect at the inception of the original lease.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-URI http://asc.fasb.org/topic&trid=2208923

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-URI http://asc.fasb.org/topic&trid=2208564

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