Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2019

Schedule of Contract with Customer, Asset and Liability

Contract assets were formerly reported within costs in excess of billings and unbilled receivables. Contract liabilities were formerly reported as deferred revenue. The titles have been changed in the table below, as well as in the accompanying September 30, 2019 balance sheet, to be consistent with accounts currently used under the new standard.

	September 30, 2018
	As Reported	As Adopted
Unbilled receivables	1,215,000	1,214,000
Contract assets	—	1,000
Security and other deposits	65,000	58,000
Long term contract assets	—	7,000
Deferred revenue	253,000	—
Contract liabilities	—	253,000

Schedule of Disaggregation of Revenue

The Company disaggregates revenue from contracts with customers by geographic locations, customer-type, contract type, timing of recognition, and major categories for each segments, as the Company believes it best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. See details of revenue for fiscal year ended September 30, 2019 in the tables below.

			Innovation &
	Optics		Development		Total
Total Revenue by Geographic Location
United States	$	14,916,000	$	19,505,000	$	34,421,000
Asia		3,172,000		34,000		3,206,000
Europe		4,916,000		251,000		5,167,000
Other		246,000		661,000		907,000
Total	$	23,250,000	$	20,451,000	$	43,701,000
Total Revenue by Contract Type
Firm-fixed price	$	23,250,000	$	2,266,000	$	25,516,000
Non-Firm Fixed price		—		18,185,000		18,185,000
Total	$	23,250,000	$	20,451,000	$	43,701,000
Total Revenue by Major Customer Type
U.S. government revenue	$	114,000	$	18,937,000	$	19,051,000
U.S. commercial revenue		14,873,000		568,000		15,441,000
Foreign commercial and other revenue		8,263,000		946,000		9,209,000
Total	$	23,250,000	$	20,451,000	$	43,701,000
Total Revenue by Major Products/Services
Optical components	$	23,057,000	$	—	$	23,057,000
Contract research		—		19,785,000		19,785,000
Other products and services		193,000		666,000		859,000
Total	$	23,250,000	$	20,451,000	$	43,701,000
Total Revenue by Timing of Recognition
Goods/services transferred over time	$	2,326,000	$	19,840,000	$	22,166,000
Goods transferred at a point in time		20,924,000		611,000		21,535,000
Total	$	23,250,000	$	20,451,000	$	43,701,000

Schedule of computations of the weighted shares outstanding

The computations of the weighted shares outstanding for the years ended September 30 are as follows:

	2019	2018
Weighted average shares outstanding
Basic	17,053,085	17,161,825
Effect of dilutive securities
Stock Options	—	—
Restricted Stock	—	9,698
Dilutive Average Shares Outstanding	17,053,085	17,171,523

Accounting Standards Update 2014-09 [Member]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The cumulative effect of the changes made to the October 1, 2018 unaudited consolidated balance sheet for the adoption of Topic 606 was as follows:

	Balance at	Adjustment for	Adjusted balance at
	September 30, 2018	Topic 606	October 1, 2018
Assets:
Unbilled receivables	1,214,000	40,000	1,254,000
Inventories, net of reserves	4,106,000	(18,000)	4,088,000
Liabilities:
Contract liabilities	253,000	—	253,000
Stockholders' equity:
Retained earnings	841,000	22,000	863,000